(1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol

C272H384N14O18 — CID 157184673

About (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol

(1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol (PubChem CID 157184673) has the molecular formula C272H384N14O18 and a molecular weight of 4138.14 g/mol. Its IUPAC name is (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol.

Molecular Properties

• Compound Name: (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol
• PubChem CID: 157184673
• Molecular Formula: C272H384N14O18
• Molecular Weight: 4138.14 g/mol
• Exact Mass: 4134.96
• IUPAC Name: (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol
• SMILES: CC(C)=CCN1CC[C@@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.CC1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2CC(C)(C)C.CC1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2CC1(C)CC1.COCCN1CC[C@@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.C[C@@H](C1CC1)N1CC[C@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.C[C@@H](C1CC1)N1CC[C@]23CCCC[C@H]2[C@H]1Cc1ccc(O)cc13.C[C@H](C1CC1)N1CC[C@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.C[C@H](C1CC1)N1CC[C@]23CCCC[C@H]2[C@H]1Cc1ccc(O)cc13.C[C@H]1[C@H]2Cc3ccc(O)cc3[C@@]1(C)CCN2C[C@@H]1CCCO1.C[C@H]1[C@H]2Cc3ccc(O)cc3[C@@]1(C)CCN2C[C@H]1CCCO1.C[C@H]1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2CC1CC1.Oc1ccc2c(c1)[C@@]13CCCC[C@@]1(O)[C@@H](C2)N(CC1CCC1)CC3.Oc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)N(CC1CC1)CC3.Oc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)N(CC1CCC1)CC3
• InChI: InChI=1S/C21H29NO2.3C21H29NO.C20H27NO.2C19H27NO2.3C19H27NO.C19H29NO.C19H27NO.C18H25NO.C17H25NO2/c23-17-7-6-16-12-19-21(24)9-2-1-8-20(21,18(16)13-17)10-11-22(19)14-15-4-3-5-15;2*1-14(15-5-6-15)22-11-10-21-9-3-2-4-18(21)20(22)12-16-7-8-17(23)13-19(16)21;23-17-8-7-16-12-20-18-6-1-2-9-21(18,19(16)13-17)10-11-22(20)14-15-4-3-5-15;22-16-7-6-15-11-19-17-3-1-2-8-20(17,18(15)12-16)9-10-21(19)13-14-4-5-14;2*1-13-18-10-14-5-6-15(21)11-17(14)19(13,2)7-8-20(18)12-16-4-3-9-22-16;1-13-17-10-14-4-5-15(21)11-16(14)19(13,3)8-9-20(17)12-18(2)6-7-18;2*1-12-18-10-15-6-7-16(21)11-17(15)19(12,3)8-9-20(18)13(2)14-4-5-14;1-13-17-10-14-6-7-15(21)11-16(14)19(13,5)8-9-20(17)12-18(2,3)4;1-13(2)7-9-20-10-8-19(4)14(3)18(20)11-15-5-6-16(21)12-17(15)19;1-12-17-9-14-5-6-15(20)10-16(14)18(12,2)7-8-19(17)11-13-3-4-13;1-12-16-10-13-4-5-14(19)11-15(13)17(12,2)6-7-18(16)8-9-20-3/h6-7,13,15,19,23-24H,1-5,8-12,14H2;2*7-8,13-15,18,20,23H,2-6,9-12H2,1H3;7-8,13,15,18,20,23H,1-6,9-12,14H2;6-7,12,14,17,19,22H,1-5,8-11,13H2;2*5-6,11,13,16,18,21H,3-4,7-10,12H2,1-2H3;4-5,11,13,17,21H,6-10,12H2,1-3H3;2*6-7,11-14,18,21H,4-5,8-10H2,1-3H3;6-7,11,13,17,21H,8-10,12H2,1-5H3;5-7,12,14,18,21H,8-11H2,1-4H3;5-6,10,12-13,17,20H,3-4,7-9,11H2,1-2H3;4-5,11-12,16,19H,6-10H2,1-3H3/t19-,20+,21-;14-,18+,20-,21-;14-,18-,20+,21+;18-,20+,21+;17-,19+,20+;13-,16+,18+,19-;13-,16-,18+,19-;13?,17-,19-;12-,13+,18+,19-;12-,13-,18+,19-;13?,17-,19-;14-,18+,19+;12-,17+,18+;12-,16+,17+/m11000001001000/s1
• InChIKey: AOZCASJYRBUHAH-LETAPYFSSA-N
• XLogP: 51.05
• TPSA: 376.50 Ų
• H-Bond Donors: 15
• H-Bond Acceptors: 32
• Rotatable Bonds: 28
• Heavy Atoms: 304
• Complexity: —

Lipinski Rule of Five

4 violations

Rule	Value
MW ≤ 500	4138.14
LogP ≤ 5	51.05
H-Bond Donors ≤ 5	15
H-Bond Acceptors ≤ 10	32

Frequently Asked Questions

What is the IUPAC name of (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol?

The IUPAC name of (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol (CID 157184673) is (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol.

What is the SMILES notation for (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol?

The canonical SMILES for (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol is CC(C)=CCN1CC[C@@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.CC1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2CC(C)(C)C.CC1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2CC1(C)CC1.COCCN1CC[C@@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.C[C@@H](C1CC1)N1CC[C@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.C[C@@H](C1CC1)N1CC[C@]23CCCC[C@H]2[C@H]1Cc1ccc(O)cc13.C[C@H](C1CC1)N1CC[C@]2(C)c3cc(O)ccc3C[C@@H]1[C@@H]2C.C[C@H](C1CC1)N1CC[C@]23CCCC[C@H]2[C@H]1Cc1ccc(O)cc13.C[C@H]1[C@H]2Cc3ccc(O)cc3[C@@]1(C)CCN2C[C@@H]1CCCO1.C[C@H]1[C@H]2Cc3ccc(O)cc3[C@@]1(C)CCN2C[C@H]1CCCO1.C[C@H]1[C@H]2Cc3ccc(O)cc3[C@]1(C)CCN2CC1CC1.Oc1ccc2c(c1)[C@@]13CCCC[C@@]1(O)[C@@H](C2)N(CC1CCC1)CC3.Oc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)N(CC1CC1)CC3.Oc1ccc2c(c1)[C@@]13CCCC[C@H]1[C@@H](C2)N(CC1CCC1)CC3.

What is the InChIKey of (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol?

The InChIKey is AOZCASJYRBUHAH-LETAPYFSSA-N. The full InChI is InChI=1S/C21H29NO2.3C21H29NO.C20H27NO.2C19H27NO2.3C19H27NO.C19H29NO.C19H27NO.C18H25NO.C17H25NO2/c23-17-7-6-16-12-19-21(24)9-2-1-8-20(21,18(16)13-17)10-11-22(19)14-15-4-3-5-15;2*1-14(15-5-6-15)22-11-10-21-9-3-2-4-18(21)20(22)12-16-7-8-17(23)13-19(16)21;23-17-8-7-16-12-20-18-6-1-2-9-21(18,19(16)13-17)10-11-22(20)14-15-4-3-5-15;22-16-7-6-15-11-19-17-3-1-2-8-20(17,18(15)12-16)9-10-21(19)13-14-4-5-14;2*1-13-18-10-14-5-6-15(21)11-17(14)19(13,2)7-8-20(18)12-16-4-3-9-22-16;1-13-17-10-14-4-5-15(21)11-16(14)19(13,3)8-9-20(17)12-18(2)6-7-18;2*1-12-18-10-15-6-7-16(21)11-17(15)19(12,3)8-9-20(18)13(2)14-4-5-14;1-13-17-10-14-6-7-15(21)11-16(14)19(13,5)8-9-20(17)12-18(2,3)4;1-13(2)7-9-20-10-8-19(4)14(3)18(20)11-15-5-6-16(21)12-17(15)19;1-12-17-9-14-5-6-15(20)10-16(14)18(12,2)7-8-19(17)11-13-3-4-13;1-12-16-10-13-4-5-14(19)11-15(13)17(12,2)6-7-18(16)8-9-20-3/h6-7,13,15,19,23-24H,1-5,8-12,14H2;2*7-8,13-15,18,20,23H,2-6,9-12H2,1H3;7-8,13,15,18,20,23H,1-6,9-12,14H2;6-7,12,14,17,19,22H,1-5,8-11,13H2;2*5-6,11,13,16,18,21H,3-4,7-10,12H2,1-2H3;4-5,11,13,17,21H,6-10,12H2,1-3H3;2*6-7,11-14,18,21H,4-5,8-10H2,1-3H3;6-7,11,13,17,21H,8-10,12H2,1-5H3;5-7,12,14,18,21H,8-11H2,1-4H3;5-6,10,12-13,17,20H,3-4,7-9,11H2,1-2H3;4-5,11-12,16,19H,6-10H2,1-3H3/t19-,20+,21-;14-,18+,20-,21-;14-,18-,20+,21+;18-,20+,21+;17-,19+,20+;13-,16+,18+,19-;13-,16-,18+,19-;13?,17-,19-;12-,13+,18+,19-;12-,13-,18+,19-;13?,17-,19-;14-,18+,19+;12-,17+,18+;12-,16+,17+/m11000001001000/s1.

What are the key properties of (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol?

(1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol has a molecular weight of 4138.14 g/mol, XLogP of 51.05, 28 rotatable bonds, 15 hydrogen bond donors, and 32 hydrogen bond acceptors.

Where does this data come from?

All data for (1S,9R,10S)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-triene-4,10-diol;(1R,9R,10R)-17-(cyclobutylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1S)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-[(1R)-1-cyclopropylethyl]-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1R)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-10-[(1S)-1-cyclopropylethyl]-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,10R)-17-(cyclopropylmethyl)-17-azatetracyclo[7.5.3.01,10.02,7]heptadeca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(cyclopropylmethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-1,13-dimethyl-10-(3-methylbut-2-enyl)-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-1,13-dimethyl-10-[(1-methylcyclopropyl)methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2S)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1S,9R,13R)-1,13-dimethyl-10-[[(2R)-oxolan-2-yl]methyl]-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R)-10-(2,2-dimethylpropyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol;(1R,9R,13R)-10-(2-methoxyethyl)-1,13-dimethyl-10-azatricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-4-ol is sourced from PubChem (CID 157184673), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).