(4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one

C115H99Cl2F20N19O8S — CID 157347944

About (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one

(4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one (PubChem CID 157347944) has the molecular formula C115H99Cl2F20N19O8S and a molecular weight of 2358.11 g/mol. Its IUPAC name is (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one.

Molecular Properties

• Compound Name: (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one
• PubChem CID: 157347944
• Molecular Formula: C115H99Cl2F20N19O8S
• Molecular Weight: 2358.11 g/mol
• Exact Mass: 2355.67
• IUPAC Name: (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one
• SMILES: CC(C)n1cc(-c2ccc(-c3ccc(Cl)c4c(CS(C)(=O)=O)nn(C)c34)c([C@@H](CC(=O)Cn3nc(C(F)(F)F)c4c3C(F)(F)[C@@H]3C[C@H]43)Cc3cc(F)cc(F)c3)n2)cn1.COc1ccc(-c2ccc(C#CC(C)(C)O)nc2[C@@H](CC(=O)Cn2nc(C(F)F)c3c2C(F)(F)[C@@H]2C[C@H]32)Cc2cc(F)cc(F)c2)c2c1c(N)nn2C.Cn1nc(N)c2c(Cl)ccc(-c3ccc(C#CC(C)(C)O)nc3[C@@H](CC(=O)Cn3nc(C(F)(F)F)c4c3C(F)(F)[C@@H]3C[C@H]43)Cc3cc(F)cc(F)c3)c21
• InChI: InChI=1S/C40H35ClF7N7O3S.C38H34F6N6O3.C37H30ClF7N6O2/c1-19(2)54-16-22(15-49-54)31-8-6-26(27-5-7-30(41)34-32(18-59(4,57)58)51-53(3)36(27)34)35(50-31)21(9-20-10-23(42)13-24(43)11-20)12-25(56)17-55-38-33(37(52-55)40(46,47)48)28-14-29(28)39(38,44)45;1-37(2,52)10-9-22-5-6-24(25-7-8-28(53-4)30-33(25)49(3)48-36(30)45)31(46-22)19(11-18-12-20(39)15-21(40)13-18)14-23(51)17-50-34-29(32(47-50)35(41)42)26-16-27(26)38(34,43)44;1-35(2,53)9-8-21-4-5-23(24-6-7-27(38)29-31(24)50(3)49-34(29)46)30(47-21)18(10-17-11-19(39)14-20(40)12-17)13-22(52)16-51-33-28(32(48-51)37(43,44)45)25-15-26(25)36(33,41)42/h5-8,10-11,13,15-16,19,21,28-29H,9,12,14,17-18H2,1-4H3;5-8,12-13,15,19,26-27,35,52H,11,14,16-17H2,1-4H3,(H2,45,48);4-7,11-12,14,18,25-26,53H,10,13,15-16H2,1-3H3,(H2,46,49)/t21-,28+,29-;19-,26+,27-;18-,25+,26-/m111/s1
• InChIKey: BHERCLMVIGHWIJ-JWYDABTMSA-N
• XLogP: 23.60
• TPSA: 350.49 Ų
• H-Bond Donors: 4
• H-Bond Acceptors: 27
• Rotatable Bonds: 30
• Heavy Atoms: 165
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2358.11
LogP ≤ 5	23.60
H-Bond Donors ≤ 5	4
H-Bond Acceptors ≤ 10	27

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-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one?

The IUPAC name of (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one (CID 157347944) is (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one.

What is the SMILES notation for (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one?

The canonical SMILES for (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one is CC(C)n1cc(-c2ccc(-c3ccc(Cl)c4c(CS(C)(=O)=O)nn(C)c34)c([C@@H](CC(=O)Cn3nc(C(F)(F)F)c4c3C(F)(F)[C@@H]3C[C@H]43)Cc3cc(F)cc(F)c3)n2)cn1.COc1ccc(-c2ccc(C#CC(C)(C)O)nc2[C@@H](CC(=O)Cn2nc(C(F)F)c3c2C(F)(F)[C@@H]2C[C@H]32)Cc2cc(F)cc(F)c2)c2c1c(N)nn2C.Cn1nc(N)c2c(Cl)ccc(-c3ccc(C#CC(C)(C)O)nc3[C@@H](CC(=O)Cn3nc(C(F)(F)F)c4c3C(F)(F)[C@@H]3C[C@H]43)Cc3cc(F)cc(F)c3)c21.

What is the InChIKey of (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one?

The InChIKey is BHERCLMVIGHWIJ-JWYDABTMSA-N. The full InChI is InChI=1S/C40H35ClF7N7O3S.C38H34F6N6O3.C37H30ClF7N6O2/c1-19(2)54-16-22(15-49-54)31-8-6-26(27-5-7-30(41)34-32(18-59(4,57)58)51-53(3)36(27)34)35(50-31)21(9-20-10-23(42)13-24(43)11-20)12-25(56)17-55-38-33(37(52-55)40(46,47)48)28-14-29(28)39(38,44)45;1-37(2,52)10-9-22-5-6-24(25-7-8-28(53-4)30-33(25)49(3)48-36(30)45)31(46-22)19(11-18-12-20(39)15-21(40)13-18)14-23(51)17-50-34-29(32(47-50)35(41)42)26-16-27(26)38(34,43)44;1-35(2,53)9-8-21-4-5-23(24-6-7-27(38)29-31(24)50(3)49-34(29)46)30(47-21)18(10-17-11-19(39)14-20(40)12-17)13-22(52)16-51-33-28(32(48-51)37(43,44)45)25-15-26(25)36(33,41)42/h5-8,10-11,13,15-16,19,21,28-29H,9,12,14,17-18H2,1-4H3;5-8,12-13,15,19,26-27,35,52H,11,14,16-17H2,1-4H3,(H2,45,48);4-7,11-12,14,18,25-26,53H,10,13,15-16H2,1-3H3,(H2,46,49)/t21-,28+,29-;19-,26+,27-;18-,25+,26-/m111/s1.

What are the key properties of (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one?

(4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one has a molecular weight of 2358.11 g/mol, XLogP of 23.60, 30 rotatable bonds, 4 hydrogen bond donors, and 27 hydrogen bond acceptors.

Where does this data come from?

All data for (4R)-4-[3-(3-amino-4-chloro-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one;(4R)-4-[3-(3-amino-4-methoxy-1-methylindazol-7-yl)-6-(3-hydroxy-3-methylbut-1-ynyl)-2-pyridinyl]-1-[(2S,4R)-9-(difluoromethyl)-5,5-difluoro-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]-5-(3,5-difluorophenyl)pentan-2-one;(4R)-4-[3-[4-chloro-1-methyl-3-(methylsulfonylmethyl)indazol-7-yl]-6-(1-propan-2-ylpyrazol-4-yl)-2-pyridinyl]-5-(3,5-difluorophenyl)-1-[(2S,4R)-5,5-difluoro-9-(trifluoromethyl)-7,8-diazatricyclo[4.3.0.02,4]nona-1(6),8-dien-7-yl]pentan-2-one is sourced from PubChem (CID 157347944), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).