7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one

C135H129F3N14O16 — CID 161188770

About 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one

7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one (PubChem CID 161188770) has the molecular formula C135H129F3N14O16 and a molecular weight of 2260.59 g/mol. Its IUPAC name is 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one.

Molecular Properties

• Compound Name: 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one
• PubChem CID: 161188770
• Molecular Formula: C135H129F3N14O16
• Molecular Weight: 2260.59 g/mol
• Exact Mass: 2258.97
• IUPAC Name: 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one
• SMILES: CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cccnc2)c1-c1ccc2c3c(ccnc13)CCO2.CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cncc(C(F)(F)F)c2)c1-c1ccc2c3c(ccnc13)CCO2.CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cnccn2)c1-c1ccc2c3c(ccnc13)CCO2.CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cncnc2)c1-c1ccc2c3c(ccnc13)CCO2
• InChI: InChI=1S/C35H32F3N3O4.C34H33N3O4.2C33H32N4O4/c1-19-14-26-24(7-9-28(43)41(26)18-21-15-23(17-39-16-21)35(36,37)38)31(29(19)33(20(2)42)45-34(3,4)5)25-6-8-27-30-22(11-13-44-27)10-12-40-32(25)30;1-20-17-26-24(9-11-28(39)37(26)19-22-7-6-14-35-18-22)31(29(20)33(21(2)38)41-34(3,4)5)25-8-10-27-30-23(13-16-40-27)12-15-36-32(25)30;1-19-16-25-23(7-9-27(39)37(25)18-22-17-34-13-14-35-22)30(28(19)32(20(2)38)41-33(3,4)5)24-6-8-26-29-21(11-15-40-26)10-12-36-31(24)29;1-19-14-25-23(7-9-27(39)37(25)17-21-15-34-18-35-16-21)30(28(19)32(20(2)38)41-33(3,4)5)24-6-8-26-29-22(11-13-40-26)10-12-36-31(24)29/h6-10,12,14-17,33H,11,13,18H2,1-5H3;6-12,14-15,17-18,33H,13,16,19H2,1-5H3;6-10,12-14,16-17,32H,11,15,18H2,1-5H3;6-10,12,14-16,18,32H,11,13,17H2,1-5H3/t2*33-;2*32-/m1111/s1
• InChIKey: UTLAXIDPTWOOGF-SKGBCJDASA-N
• XLogP: 25.20
• TPSA: 359.02 Ų
• H-Bond Acceptors: 30
• Rotatable Bonds: 24
• Heavy Atoms: 168
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2260.59
LogP ≤ 5	25.20
H-Bond Donors ≤ 5	0
H-Bond Acceptors ≤ 10	30

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'dyes5A(27)', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one?

The IUPAC name of 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one (CID 161188770) is 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one.

What is the SMILES notation for 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one?

The canonical SMILES for 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one is CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cccnc2)c1-c1ccc2c3c(ccnc13)CCO2.CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cncc(C(F)(F)F)c2)c1-c1ccc2c3c(ccnc13)CCO2.CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cnccn2)c1-c1ccc2c3c(ccnc13)CCO2.CC(=O)[C@@H](OC(C)(C)C)c1c(C)cc2c(ccc(=O)n2Cc2cncnc2)c1-c1ccc2c3c(ccnc13)CCO2.

What is the InChIKey of 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one?

The InChIKey is UTLAXIDPTWOOGF-SKGBCJDASA-N. The full InChI is InChI=1S/C35H32F3N3O4.C34H33N3O4.2C33H32N4O4/c1-19-14-26-24(7-9-28(43)41(26)18-21-15-23(17-39-16-21)35(36,37)38)31(29(19)33(20(2)42)45-34(3,4)5)25-6-8-27-30-22(11-13-44-27)10-12-40-32(25)30;1-20-17-26-24(9-11-28(39)37(26)19-22-7-6-14-35-18-22)31(29(20)33(21(2)38)41-34(3,4)5)25-8-10-27-30-23(13-16-40-27)12-15-36-32(25)30;1-19-16-25-23(7-9-27(39)37(25)18-22-17-34-13-14-35-22)30(28(19)32(20(2)38)41-33(3,4)5)24-6-8-26-29-21(11-15-40-26)10-12-36-31(24)29;1-19-14-25-23(7-9-27(39)37(25)17-21-15-34-18-35-16-21)30(28(19)32(20(2)38)41-33(3,4)5)24-6-8-26-29-22(11-13-40-26)10-12-36-31(24)29/h6-10,12,14-17,33H,11,13,18H2,1-5H3;6-12,14-15,17-18,33H,13,16,19H2,1-5H3;6-10,12-14,16-17,32H,11,15,18H2,1-5H3;6-10,12,14-16,18,32H,11,13,17H2,1-5H3/t2*33-;2*32-/m1111/s1.

What are the key properties of 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one?

7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one has a molecular weight of 2260.59 g/mol, XLogP of 25.20, 24 rotatable bonds, 0 hydrogen bond donors, and 30 hydrogen bond acceptors.

Where does this data come from?

All data for 7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrazin-2-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyridin-3-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-(pyrimidin-5-ylmethyl)quinolin-2-one;7-methyl-6-[(1S)-1-[(2-methylpropan-2-yl)oxy]-2-oxopropyl]-5-(2-oxa-8-azatricyclo[7.3.1.05,13]trideca-1(13),5,7,9,11-pentaen-10-yl)-1-[[5-(trifluoromethyl)-3-pyridinyl]methyl]quinolin-2-one is sourced from PubChem (CID 161188770), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).