About 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide
5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide (PubChem CID 162167497) has the molecular formula C187H173F13N42O8
and a molecular weight of 3383.70 g/mol. Its IUPAC name is 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide.
Frequently Asked Questions
What is the IUPAC name of 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide?
The IUPAC name of 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide (CID 162167497) is 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide.
What is the SMILES notation for 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide?
The canonical SMILES for 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide is C=CC1CCc2cnc(-c3cccc(NC(=O)c4cc(-n5cnc(C6CC6)c5)c(C)cc4F)n3)n21.C=C[C@@H]1CCc2cnc(-c3cccc(NC(=O)c4cc(-n5cnc(C6CC6)c5)c(C)cc4F)n3)n21.C=C[C@H]1CCc2cnc(-c3cccc(NC(=O)c4cc(-n5cnc(C6CC6)c5)c(C)cc4F)n3)n21.Cc1cc(F)c(C(=O)Nc2cccc(-c3ncc4n3C(C(F)(F)F)CC4)n2)cc1-n1cnc(C2CC2)c1.Cc1cc(F)c(C(=O)Nc2cccc(-c3ncc4n3C[C@@H](C)C4)n2)cc1-n1cnc(C2CC2)c1.Cc1cc(F)c(C(=O)Nc2cccc(-c3ncc4n3[C@@H]([C@@H](C)CO)CC4)n2)cc1-n1cnc(C2CC2)c1.Cc1cc(F)c(C(=O)Nc2cccc(-c3ncc4n3[C@H](C(F)(F)F)CC4)n2)cc1-n1cnc(C2CC2)c1.
What is the InChIKey of 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide?
The InChIKey is ZNIHBDDBRQTIEC-WDWNMBENSA-N. The full InChI is InChI=1S/C28H29FN6O2.3C27H25FN6O.2C26H22F4N6O.C26H25FN6O/c1-16-10-21(29)20(11-25(16)34-13-23(31-15-34)18-6-7-18)28(37)33-26-5-3-4-22(32-26)27-30-12-19-8-9-24(35(19)27)17(2)14-36;3*1-3-18-9-10-19-13-29-26(34(18)19)22-5-4-6-25(31-22)32-27(35)20-12-24(16(2)11-21(20)28)33-14-23(30-15-33)17-7-8-17;2*1-14-9-18(27)17(10-21(14)35-12-20(32-13-35)15-5-6-15)25(37)34-23-4-2-3-19(33-23)24-31-11-16-7-8-22(36(16)24)26(28,29)30;1-15-8-18-11-28-25(33(18)12-15)21-4-3-5-24(30-21)31-26(34)19-10-23(16(2)9-20(19)27)32-13-22(29-14-32)17-6-7-17/h3-5,10-13,15,17-18,24,36H,6-9,14H2,1-2H3,(H,32,33,37);3*3-6,11-15,17-18H,1,7-10H2,2H3,(H,31,32,35);2*2-4,9-13,15,22H,5-8H2,1H3,(H,33,34,37);3-5,9-11,13-15,17H,6-8,12H2,1-2H3,(H,30,31,34)/t17-,24+;2*18-;;22-;;15-/m010.0.0/s1.
What are the key properties of 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide?
5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide has a molecular weight of 3383.70 g/mol, XLogP of 37.38, 40 rotatable bonds, 8 hydrogen bond donors, and 43 hydrogen bond acceptors.
Where does this data come from?
All data for 5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5R)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-[(5S)-5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-N-[6-(5-ethenyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl)-2-pyridinyl]-2-fluoro-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-N-[6-[(5R)-5-[(2R)-1-hydroxypropan-2-yl]-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]-4-methylbenzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(6S)-6-methyl-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[(5S)-5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide;5-(4-cyclopropylimidazol-1-yl)-2-fluoro-4-methyl-N-[6-[5-(trifluoromethyl)-6,7-dihydro-5H-pyrrolo[1,2-c]imidazol-3-yl]-2-pyridinyl]benzamide is sourced from PubChem (CID 162167497), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).