1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole

C167H214N26O5 — CID 158525556

IUPAC1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole
SMILESCC(C)/C=C/c1ccccc1.CC(C)C(=O)Nc1nn(C)cc1-c1cnn(C)c1.CC(C)c1cc2ccccc2n1C.CC(C)c1ccc(-c2nn[nH]n2)cc1.CC(C)c1ccc2[nH]ncc2c1.CC(C)c1ccc2c(c1)c(C(N)=O)nn2C.CC(C)c1ccc2c(c1)c(C1CC1)nn2[C@H](C)CC#N.CC(C)c1ccc2c(ccn2C)c1.CC(C)c1cccc(NC(=O)OC(C)(C)C)c1.CC(C)c1cccc(OCc2ccccc2)c1.CC(C)c1cnn(-c2ccccc2)c1.CC[C@H](C)n1nc(C2CC2)c2cc(C(C)C)ccc21.Cc1nn(C)c2ccc(C(C)C)cc12
InChIInChI=1S/C17H21N3.C17H24N2.C16H18O.C14H21NO2.C12H17N5O.C12H15N3O.C12H16N2.C12H14N2.2C12H15N.C11H14.C10H12N4.C10H12N2/c1-11(2)14-6-7-16-15(10-14)17(13-4-5-13)19-20(16)12(3)8-9-18;1-5-12(4)19-16-9-8-14(11(2)3)10-15(16)17(18-19)13-6-7-13;1-13(2)15-9-6-10-16(11-15)17-12-14-7-4-3-5-8-14;1-10(2)11-7-6-8-12(9-11)15-13(16)17-14(3,4)5;1-8(2)12(18)14-11-10(7-17(4)15-11)9-5-13-16(3)6-9;1-7(2)8-4-5-10-9(6-8)11(12(13)16)14-15(10)3;1-8(2)10-5-6-12-11(7-10)9(3)13-14(12)4;1-10(2)11-8-13-14(9-11)12-6-4-3-5-7-12;1-9(2)10-4-5-12-11(8-10)6-7-13(12)3;1-9(2)12-8-10-6-4-5-7-11(10)13(12)3;1-10(2)8-9-11-6-4-3-5-7-11;1-7(2)8-3-5-9(6-4-8)10-11-13-14-12-10;1-7(2)8-3-4-10-9(5-8)6-11-12-10/h6-7,10-13H,4-5,8H2,1-3H3;8-13H,5-7H2,1-4H3;3-11,13H,12H2,1-2H3;6-10H,1-5H3,(H,15,16);5-8H,1-4H3,(H,14,15,18);4-7H,1-3H3,(H2,13,16);5-8H,1-4H3;3-10H,1-2H3;2*4-9H,1-3H3;3-10H,1-2H3;3-7H,1-2H3,(H,11,12,13,14);3-7H,1-2H3,(H,11,12)/b;;;;;;;;;;9-8+;;/t2*12-;;;;;;;;;;;/m10.........../s1
InChIKeyHMSZDSGPPDAMKN-FQIAXAASSA-N
MW2665.73 g/mol
LogP41.91
Rot. Bonds29

About 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole

1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole (PubChem CID 158525556) has the molecular formula C167H214N26O5 and a molecular weight of 2665.73 g/mol. Its IUPAC name is 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole.

Molecular Properties

Compound Name1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole
PubChem CID158525556
Molecular FormulaC167H214N26O5
Molecular Weight2665.73 g/mol
Exact Mass2663.73
IUPAC Name1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole
SMILESCC(C)/C=C/c1ccccc1.CC(C)C(=O)Nc1nn(C)cc1-c1cnn(C)c1.CC(C)c1cc2ccccc2n1C.CC(C)c1ccc(-c2nn[nH]n2)cc1.CC(C)c1ccc2[nH]ncc2c1.CC(C)c1ccc2c(c1)c(C(N)=O)nn2C.CC(C)c1ccc2c(c1)c(C1CC1)nn2[C@H](C)CC#N.CC(C)c1ccc2c(ccn2C)c1.CC(C)c1cccc(NC(=O)OC(C)(C)C)c1.CC(C)c1cccc(OCc2ccccc2)c1.CC(C)c1cnn(-c2ccccc2)c1.CC[C@H](C)n1nc(C2CC2)c2cc(C(C)C)ccc21.Cc1nn(C)c2ccc(C(C)C)cc12
InChIInChI=1S/C17H21N3.C17H24N2.C16H18O.C14H21NO2.C12H17N5O.C12H15N3O.C12H16N2.C12H14N2.2C12H15N.C11H14.C10H12N4.C10H12N2/c1-11(2)14-6-7-16-15(10-14)17(13-4-5-13)19-20(16)12(3)8-9-18;1-5-12(4)19-16-9-8-14(11(2)3)10-15(16)17(18-19)13-6-7-13;1-13(2)15-9-6-10-16(11-15)17-12-14-7-4-3-5-8-14;1-10(2)11-7-6-8-12(9-11)15-13(16)17-14(3,4)5;1-8(2)12(18)14-11-10(7-17(4)15-11)9-5-13-16(3)6-9;1-7(2)8-4-5-10-9(6-8)11(12(13)16)14-15(10)3;1-8(2)10-5-6-12-11(7-10)9(3)13-14(12)4;1-10(2)11-8-13-14(9-11)12-6-4-3-5-7-12;1-9(2)10-4-5-12-11(8-10)6-7-13(12)3;1-9(2)12-8-10-6-4-5-7-11(10)13(12)3;1-10(2)8-9-11-6-4-3-5-7-11;1-7(2)8-3-5-9(6-4-8)10-11-13-14-12-10;1-7(2)8-3-4-10-9(5-8)6-11-12-10/h6-7,10-13H,4-5,8H2,1-3H3;8-13H,5-7H2,1-4H3;3-11,13H,12H2,1-2H3;6-10H,1-5H3,(H,15,16);5-8H,1-4H3,(H,14,15,18);4-7H,1-3H3,(H2,13,16);5-8H,1-4H3;3-10H,1-2H3;2*4-9H,1-3H3;3-10H,1-2H3;3-7H,1-2H3,(H,11,12,13,14);3-7H,1-2H3,(H,11,12)/b;;;;;;;;;;9-8+;;/t2*12-;;;;;;;;;;;/m10.........../s1
InChIKeyHMSZDSGPPDAMKN-FQIAXAASSA-N
XLogP41.91
TPSA361.28 Ų
H-Bond Donors5
H-Bond Acceptors26
Rotatable Bonds29
Heavy Atoms198
Complexity

Lipinski Rule of Five

3 violations

RuleValue
MW ≤ 5002665.73
LogP ≤ 541.91
H-Bond Donors ≤ 55
H-Bond Acceptors ≤ 1026

Analyze 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole with MolForge

Explore ADMET properties, 3D molecular structure, drug-likeness score, and discover similar compounds using our AI-powered platform.

Launch Full Analysis

Related Compounds

Frequently Asked Questions

What is the IUPAC name of 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole?
The IUPAC name of 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole (CID 158525556) is 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole.
What is the SMILES notation for 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole?
The canonical SMILES for 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole is CC(C)/C=C/c1ccccc1.CC(C)C(=O)Nc1nn(C)cc1-c1cnn(C)c1.CC(C)c1cc2ccccc2n1C.CC(C)c1ccc(-c2nn[nH]n2)cc1.CC(C)c1ccc2[nH]ncc2c1.CC(C)c1ccc2c(c1)c(C(N)=O)nn2C.CC(C)c1ccc2c(c1)c(C1CC1)nn2[C@H](C)CC#N.CC(C)c1ccc2c(ccn2C)c1.CC(C)c1cccc(NC(=O)OC(C)(C)C)c1.CC(C)c1cccc(OCc2ccccc2)c1.CC(C)c1cnn(-c2ccccc2)c1.CC[C@H](C)n1nc(C2CC2)c2cc(C(C)C)ccc21.Cc1nn(C)c2ccc(C(C)C)cc12.
What is the InChIKey of 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole?
The InChIKey is HMSZDSGPPDAMKN-FQIAXAASSA-N. The full InChI is InChI=1S/C17H21N3.C17H24N2.C16H18O.C14H21NO2.C12H17N5O.C12H15N3O.C12H16N2.C12H14N2.2C12H15N.C11H14.C10H12N4.C10H12N2/c1-11(2)14-6-7-16-15(10-14)17(13-4-5-13)19-20(16)12(3)8-9-18;1-5-12(4)19-16-9-8-14(11(2)3)10-15(16)17(18-19)13-6-7-13;1-13(2)15-9-6-10-16(11-15)17-12-14-7-4-3-5-8-14;1-10(2)11-7-6-8-12(9-11)15-13(16)17-14(3,4)5;1-8(2)12(18)14-11-10(7-17(4)15-11)9-5-13-16(3)6-9;1-7(2)8-4-5-10-9(6-8)11(12(13)16)14-15(10)3;1-8(2)10-5-6-12-11(7-10)9(3)13-14(12)4;1-10(2)11-8-13-14(9-11)12-6-4-3-5-7-12;1-9(2)10-4-5-12-11(8-10)6-7-13(12)3;1-9(2)12-8-10-6-4-5-7-11(10)13(12)3;1-10(2)8-9-11-6-4-3-5-7-11;1-7(2)8-3-5-9(6-4-8)10-11-13-14-12-10;1-7(2)8-3-4-10-9(5-8)6-11-12-10/h6-7,10-13H,4-5,8H2,1-3H3;8-13H,5-7H2,1-4H3;3-11,13H,12H2,1-2H3;6-10H,1-5H3,(H,15,16);5-8H,1-4H3,(H,14,15,18);4-7H,1-3H3,(H2,13,16);5-8H,1-4H3;3-10H,1-2H3;2*4-9H,1-3H3;3-10H,1-2H3;3-7H,1-2H3,(H,11,12,13,14);3-7H,1-2H3,(H,11,12)/b;;;;;;;;;;9-8+;;/t2*12-;;;;;;;;;;;/m10.........../s1.
What are the key properties of 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole?
1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole has a molecular weight of 2665.73 g/mol, XLogP of 41.91, 29 rotatable bonds, 5 hydrogen bond donors, and 26 hydrogen bond acceptors.
Where does this data come from?
All data for 1-[(2S)-butan-2-yl]-3-cyclopropyl-5-propan-2-ylindazole;tert-butyl N-(3-propan-2-ylphenyl)carbamate;(3R)-3-(3-cyclopropyl-5-propan-2-ylindazol-1-yl)butanenitrile;1,3-dimethyl-5-propan-2-ylindazole;[(E)-3-methylbut-1-enyl]benzene;2-methyl-N-[1-methyl-4-(1-methylpyrazol-4-yl)pyrazol-3-yl]propanamide;1-methyl-5-propan-2-ylindazole-3-carboxamide;1-methyl-2-propan-2-ylindole;1-methyl-5-propan-2-ylindole;1-phenylmethoxy-3-propan-2-ylbenzene;1-phenyl-4-propan-2-ylpyrazole;5-propan-2-yl-1H-indazole;5-(4-propan-2-ylphenyl)-2H-tetrazole is sourced from PubChem (CID 158525556), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).