(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one

C160H124F25N15O12 — CID 157283995

About (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one

(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one (PubChem CID 157283995) has the molecular formula C160H124F25N15O12 and a molecular weight of 2923.79 g/mol. Its IUPAC name is (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one.

Molecular Properties

• Compound Name: (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one
• PubChem CID: 157283995
• Molecular Formula: C160H124F25N15O12
• Molecular Weight: 2923.79 g/mol
• Exact Mass: 2921.92
• IUPAC Name: (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one
• SMILES: C#Cc1cn(CC(=O)C[C@@H](Cc2cc(F)cc(F)c2)c2ncccc2-c2ccc(F)c(C(C)=O)c2)nc1C(F)(F)F.CC(=O)c1cc(-c2cccnc2[C@@H](CC(=O)Cn2cc(C3CC3)c(C#N)n2)Cc2cc(F)cc(F)c2)ccc1F.CC(=O)c1cc(-c2cccnc2[C@@H](CC(=O)Cn2nc(C(F)(F)F)c3c2C(F)(F)CCC3=O)Cc2cc(F)cc(F)c2)ccc1F.CC(=O)c1cc(-c2cccnc2[C@@H](CC(=O)Cn2nc(C(F)(F)F)c3c2CCC=C3)Cc2cc(F)cc(F)c2)ccc1F.CC(=O)c1cccc(-c2cccnc2[C@@H](CC(=O)CC2=CCc3cc(C4CC4)c(=O)[nH]c32)Cc2cc(F)cc(F)c2)c1
• InChI: InChI=1S/C35H30F2N2O3.C32H23F8N3O3.C32H25F6N3O2.C31H25F3N4O2.C30H21F6N3O2/c1-20(40)23-4-2-5-24(15-23)31-6-3-11-38-34(31)27(12-21-13-28(36)19-29(37)14-21)17-30(41)16-25-9-10-26-18-32(22-7-8-22)35(42)39-33(25)26;1-16(44)24-13-18(4-5-25(24)35)23-3-2-8-41-28(23)19(9-17-10-20(33)14-21(34)11-17)12-22(45)15-43-30-27(29(42-43)32(38,39)40)26(46)6-7-31(30,36)37;1-18(42)27-15-20(8-9-28(27)35)25-6-4-10-39-30(25)21(11-19-12-22(33)16-23(34)13-19)14-24(43)17-41-29-7-3-2-5-26(29)31(40-41)32(36,37)38;1-18(39)27-13-21(6-7-29(27)34)26-3-2-8-36-31(26)22(9-19-10-23(32)14-24(33)11-19)12-25(40)16-38-17-28(20-4-5-20)30(15-35)37-38;1-3-19-15-39(38-29(19)30(34,35)36)16-24(41)12-21(9-18-10-22(31)14-23(32)11-18)28-25(5-4-8-37-28)20-6-7-27(33)26(13-20)17(2)40/h2-6,9,11,13-15,18-19,22,27H,7-8,10,12,16-17H2,1H3,(H,39,42);2-5,8,10-11,13-14,19H,6-7,9,12,15H2,1H3;2,4-6,8-10,12-13,15-16,21H,3,7,11,14,17H2,1H3;2-3,6-8,10-11,13-14,17,20,22H,4-5,9,12,16H2,1H3;1,4-8,10-11,13-15,21H,9,12,16H2,2H3/t27-;19-;21-;22-;21-/m11111/s1
• InChIKey: AZZXOUDYEHMTPJ-LDWGTLCKSA-N
• XLogP: 35.13
• TPSA: 380.15 Ų
• H-Bond Donors: 1
• H-Bond Acceptors: 26
• Rotatable Bonds: 47
• Heavy Atoms: 212
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2923.79
LogP ≤ 5	35.13
H-Bond Donors ≤ 5	1
H-Bond Acceptors ≤ 10	26

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'triple_bond', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one?

The IUPAC name of (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one (CID 157283995) is (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one.

What is the SMILES notation for (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one?

The canonical SMILES for (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one is C#Cc1cn(CC(=O)C[C@@H](Cc2cc(F)cc(F)c2)c2ncccc2-c2ccc(F)c(C(C)=O)c2)nc1C(F)(F)F.CC(=O)c1cc(-c2cccnc2[C@@H](CC(=O)Cn2cc(C3CC3)c(C#N)n2)Cc2cc(F)cc(F)c2)ccc1F.CC(=O)c1cc(-c2cccnc2[C@@H](CC(=O)Cn2nc(C(F)(F)F)c3c2C(F)(F)CCC3=O)Cc2cc(F)cc(F)c2)ccc1F.CC(=O)c1cc(-c2cccnc2[C@@H](CC(=O)Cn2nc(C(F)(F)F)c3c2CCC=C3)Cc2cc(F)cc(F)c2)ccc1F.CC(=O)c1cccc(-c2cccnc2[C@@H](CC(=O)CC2=CCc3cc(C4CC4)c(=O)[nH]c32)Cc2cc(F)cc(F)c2)c1.

What is the InChIKey of (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one?

The InChIKey is AZZXOUDYEHMTPJ-LDWGTLCKSA-N. The full InChI is InChI=1S/C35H30F2N2O3.C32H23F8N3O3.C32H25F6N3O2.C31H25F3N4O2.C30H21F6N3O2/c1-20(40)23-4-2-5-24(15-23)31-6-3-11-38-34(31)27(12-21-13-28(36)19-29(37)14-21)17-30(41)16-25-9-10-26-18-32(22-7-8-22)35(42)39-33(25)26;1-16(44)24-13-18(4-5-25(24)35)23-3-2-8-41-28(23)19(9-17-10-20(33)14-21(34)11-17)12-22(45)15-43-30-27(29(42-43)32(38,39)40)26(46)6-7-31(30,36)37;1-18(42)27-15-20(8-9-28(27)35)25-6-4-10-39-30(25)21(11-19-12-22(33)16-23(34)13-19)14-24(43)17-41-29-7-3-2-5-26(29)31(40-41)32(36,37)38;1-18(39)27-13-21(6-7-29(27)34)26-3-2-8-36-31(26)22(9-19-10-23(32)14-24(33)11-19)12-25(40)16-38-17-28(20-4-5-20)30(15-35)37-38;1-3-19-15-39(38-29(19)30(34,35)36)16-24(41)12-21(9-18-10-22(31)14-23(32)11-18)28-25(5-4-8-37-28)20-6-7-27(33)26(13-20)17(2)40/h2-6,9,11,13-15,18-19,22,27H,7-8,10,12,16-17H2,1H3,(H,39,42);2-5,8,10-11,13-14,19H,6-7,9,12,15H2,1H3;2,4-6,8-10,12-13,15-16,21H,3,7,11,14,17H2,1H3;2-3,6-8,10-11,13-14,17,20,22H,4-5,9,12,16H2,1H3;1,4-8,10-11,13-15,21H,9,12,16H2,2H3/t27-;19-;21-;22-;21-/m11111/s1.

What are the key properties of (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one?

(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one has a molecular weight of 2923.79 g/mol, XLogP of 35.13, 47 rotatable bonds, 1 hydrogen bond donors, and 26 hydrogen bond acceptors.

Where does this data come from?

All data for (4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[4-ethynyl-3-(trifluoromethyl)pyrazol-1-yl]pentan-2-one;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-4-cyclopropylpyrazole-3-carbonitrile;1-[(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-7,7-difluoro-3-(trifluoromethyl)-5,6-dihydroindazol-4-one;(4R)-4-[3-(3-acetyl-4-fluorophenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[3-(trifluoromethyl)-6,7-dihydroindazol-1-yl]pentan-2-one;7-[(4R)-4-[3-(3-acetylphenyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-2-oxopentyl]-3-cyclopropyl-1,5-dihydrocyclopenta[b]pyridin-2-one is sourced from PubChem (CID 157283995), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).