1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine

C125H232N32O2S — CID 159424819

IUPAC1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine
SMILESCC(C)(C)N1CCN(CC(N)=O)CC1.CC(C)(C)N1CCN(CCN2CCCC2)CC1.CC(C)(C)N1CCN(CCN2CCOCC2)CC1.CC(C)(C)N1CCN(CCn2ccnc2)CC1.CC(C)(C)N1CCN(c2ccccn2)CC1.CC(C)(C)N1CCN(c2cccnc2)CC1.CC(C)(C)N1CCN(c2ccncc2)CC1.CC(C)(C)N1CCN(c2cnccn2)CC1.CC(C)(C)N1CCN(c2nccs2)CC1.CN(C)CCN1CCN(C(C)(C)C)CC1
InChIInChI=1S/C14H29N3O.C14H29N3.C13H24N4.3C13H21N3.C12H20N4.C12H27N3.C11H19N3S.C10H21N3O/c1-14(2,3)17-8-6-15(7-9-17)4-5-16-10-12-18-13-11-16;1-14(2,3)17-12-10-16(11-13-17)9-8-15-6-4-5-7-15;1-13(2,3)17-10-8-15(9-11-17)6-7-16-5-4-14-12-16;1-13(2,3)16-10-8-15(9-11-16)12-4-6-14-7-5-12;1-13(2,3)16-9-7-15(8-10-16)12-5-4-6-14-11-12;1-13(2,3)16-10-8-15(9-11-16)12-6-4-5-7-14-12;1-12(2,3)16-8-6-15(7-9-16)11-10-13-4-5-14-11;1-12(2,3)15-10-8-14(9-11-15)7-6-13(4)5;1-11(2,3)14-7-5-13(6-8-14)10-12-4-9-15-10;1-10(2,3)13-6-4-12(5-7-13)8-9(11)14/h4-13H2,1-3H3;4-13H2,1-3H3;4-5,12H,6-11H2,1-3H3;4-7H,8-11H2,1-3H3;4-6,11H,7-10H2,1-3H3;4-7H,8-11H2,1-3H3;4-5,10H,6-9H2,1-3H3;6-11H2,1-5H3;4,9H,5-8H2,1-3H3;4-8H2,1-3H3,(H2,11,14)
InChIKeyLQFHRAXOHXTSJH-UHFFFAOYSA-N
MW2247.52 g/mol
LogP13.85
Rot. Bonds19

About 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine

1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine (PubChem CID 159424819) has the molecular formula C125H232N32O2S and a molecular weight of 2247.52 g/mol. Its IUPAC name is 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine.

Molecular Properties

Compound Name1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine
PubChem CID159424819
Molecular FormulaC125H232N32O2S
Molecular Weight2247.52 g/mol
Exact Mass2245.88
IUPAC Name1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine
SMILESCC(C)(C)N1CCN(CC(N)=O)CC1.CC(C)(C)N1CCN(CCN2CCCC2)CC1.CC(C)(C)N1CCN(CCN2CCOCC2)CC1.CC(C)(C)N1CCN(CCn2ccnc2)CC1.CC(C)(C)N1CCN(c2ccccn2)CC1.CC(C)(C)N1CCN(c2cccnc2)CC1.CC(C)(C)N1CCN(c2ccncc2)CC1.CC(C)(C)N1CCN(c2cnccn2)CC1.CC(C)(C)N1CCN(c2nccs2)CC1.CN(C)CCN1CCN(C(C)(C)C)CC1
InChIInChI=1S/C14H29N3O.C14H29N3.C13H24N4.3C13H21N3.C12H20N4.C12H27N3.C11H19N3S.C10H21N3O/c1-14(2,3)17-8-6-15(7-9-17)4-5-16-10-12-18-13-11-16;1-14(2,3)17-12-10-16(11-13-17)9-8-15-6-4-5-7-15;1-13(2,3)17-10-8-15(9-11-17)6-7-16-5-4-14-12-16;1-13(2,3)16-10-8-15(9-11-16)12-4-6-14-7-5-12;1-13(2,3)16-9-7-15(8-10-16)12-5-4-6-14-11-12;1-13(2,3)16-10-8-15(9-11-16)12-6-4-5-7-14-12;1-12(2,3)16-8-6-15(7-9-16)11-10-13-4-5-14-11;1-12(2,3)15-10-8-14(9-11-15)7-6-13(4)5;1-11(2,3)14-7-5-13(6-8-14)10-12-4-9-15-10;1-10(2,3)13-6-4-12(5-7-13)8-9(11)14/h4-13H2,1-3H3;4-13H2,1-3H3;4-5,12H,6-11H2,1-3H3;4-7H,8-11H2,1-3H3;4-6,11H,7-10H2,1-3H3;4-7H,8-11H2,1-3H3;4-5,10H,6-9H2,1-3H3;6-11H2,1-5H3;4,9H,5-8H2,1-3H3;4-8H2,1-3H3,(H2,11,14)
InChIKeyLQFHRAXOHXTSJH-UHFFFAOYSA-N
XLogP13.85
TPSA222.00 Ų
H-Bond Donors1
H-Bond Acceptors34
Rotatable Bonds19
Heavy Atoms160
Complexity—

Lipinski Rule of Five

3 violations

RuleValue
MW ≤ 5002247.52
LogP ≤ 513.85
H-Bond Donors ≤ 51
H-Bond Acceptors ≤ 1034

Analyze 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine with MolForge

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Launch Full Analysis

Related Compounds

1-Morpholin-4-yl-2-[4-[2-[(5-pyrimidin-5-yl-1,3-thiazol-2-yl)amino]-4-pyridinyl]piperazin-1-yl]ethanone
CID 15978889
2-(4-((2-(Imidazo[1,2-a]pyridin-5-yl)-4-morpholinothieno[3,2-d]pyrimidin-6-yl)methyl)piperazin-1-yl)-2-methylpropanamide
CID 49833297
2-Methyl-2-(4-((2-(2-methylimidazo[1,2-a]pyridin-5-yl)-4-morpholinothieno[3,2-d]pyrimidin-6-yl)methyl)piperazin-1-yl)propanamide
CID 49833298
2-[4-[(5-Imidazo[1,2-a]pyridin-5-yl-7-morpholin-4-yl-[1,3]thiazolo[4,5-d]pyrimidin-2-yl)methyl]piperazin-1-yl]-2-methylpropanamide
CID 59606029
4-([1,3]Thiazolo[4,5-b]pyridin-2-yl)morpholine;4-([1,3]thiazolo[4,5-c]pyridin-2-yl)morpholine;4-([1,3]thiazolo[5,4-c]pyridin-2-yl)morpholine
CID 155684004
4-[2-(4-Tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine
CID 157103071
8-tert-butyl-8-azaspiro[4.5]decane;3-tert-butyl-3-azaspiro[5.5]undecane;4-tert-butyl-N,N-dimethylpiperazine-1-carboxamide;bis(1-tert-butyl-4-phenylpiperazine);2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)pyrimidine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;ethyl 2-(4-tert-butylpiperazin-1-yl)acetate
CID 157615900
N-[6-(3,5-dimethylpyrazol-1-yl)-2-pyridin-2-ylpyrimidin-4-yl]-2-(4-methylpiperazin-1-yl)acetamide;2-(4-methylpiperazin-1-yl)-N-[6-pyrazol-1-yl-2-(1,3-thiazol-2-yl)pyrimidin-4-yl]acetamide
CID 157761042
1-Tert-butylimidazole;1-tert-butyl-4-methylpiperazine;4-tert-butylmorpholine;1-tert-butylpiperidine;1-tert-butylpyrrolidine;2-tert-butyl-1,3-thiazole;2,2-dimethylpropane;pyridine
CID 157799287
1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;1-tert-butyl-4-(1-methylpiperidin-4-yl)piperazine;4-tert-butylmorpholine;4-tert-butylpiperazin-2-one;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-(pyridin-3-ylmethyl)piperazine;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine;N,N,2-trimethylpropan-2-amine
CID 158223301
CID 158767254
CID 158767254
N,N-dimethyl-2-[(2S)-2-(1-methylpiperidin-4-yl)pyrrolidin-1-yl]acetamide;methyl 2-[(2S)-2-(1-methylpiperidin-4-yl)pyrrolidin-1-yl]acetate;1-methyl-4-[(2S)-1-phenylpyrrolidin-2-yl]piperidine;2-[(2S)-2-(1-methylpiperidin-4-yl)pyrrolidin-1-yl]pyridine;4-[(2S)-2-(1-methylpiperidin-4-yl)pyrrolidin-1-yl]pyridine;2-[(2S)-2-(1-methylpiperidin-4-yl)pyrrolidin-1-yl]pyrimidine;2-[(2S)-2-(1-methylpiperidin-4-yl)pyrrolidin-1-yl]-1,3-thiazole
CID 158788915

Frequently Asked Questions

What is the IUPAC name of 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine?
The IUPAC name of 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine (CID 159424819) is 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine.
What is the SMILES notation for 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine?
The canonical SMILES for 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine is CC(C)(C)N1CCN(CC(N)=O)CC1.CC(C)(C)N1CCN(CCN2CCCC2)CC1.CC(C)(C)N1CCN(CCN2CCOCC2)CC1.CC(C)(C)N1CCN(CCn2ccnc2)CC1.CC(C)(C)N1CCN(c2ccccn2)CC1.CC(C)(C)N1CCN(c2cccnc2)CC1.CC(C)(C)N1CCN(c2ccncc2)CC1.CC(C)(C)N1CCN(c2cnccn2)CC1.CC(C)(C)N1CCN(c2nccs2)CC1.CN(C)CCN1CCN(C(C)(C)C)CC1.
What is the InChIKey of 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine?
The InChIKey is LQFHRAXOHXTSJH-UHFFFAOYSA-N. The full InChI is InChI=1S/C14H29N3O.C14H29N3.C13H24N4.3C13H21N3.C12H20N4.C12H27N3.C11H19N3S.C10H21N3O/c1-14(2,3)17-8-6-15(7-9-17)4-5-16-10-12-18-13-11-16;1-14(2,3)17-12-10-16(11-13-17)9-8-15-6-4-5-7-15;1-13(2,3)17-10-8-15(9-11-17)6-7-16-5-4-14-12-16;1-13(2,3)16-10-8-15(9-11-16)12-4-6-14-7-5-12;1-13(2,3)16-9-7-15(8-10-16)12-5-4-6-14-11-12;1-13(2,3)16-10-8-15(9-11-16)12-6-4-5-7-14-12;1-12(2,3)16-8-6-15(7-9-16)11-10-13-4-5-14-11;1-12(2,3)15-10-8-14(9-11-15)7-6-13(4)5;1-11(2,3)14-7-5-13(6-8-14)10-12-4-9-15-10;1-10(2,3)13-6-4-12(5-7-13)8-9(11)14/h4-13H2,1-3H3;4-13H2,1-3H3;4-5,12H,6-11H2,1-3H3;4-7H,8-11H2,1-3H3;4-6,11H,7-10H2,1-3H3;4-7H,8-11H2,1-3H3;4-5,10H,6-9H2,1-3H3;6-11H2,1-5H3;4,9H,5-8H2,1-3H3;4-8H2,1-3H3,(H2,11,14).
What are the key properties of 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine?
1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine has a molecular weight of 2247.52 g/mol, XLogP of 13.85, 19 rotatable bonds, 1 hydrogen bond donors, and 34 hydrogen bond acceptors.
Where does this data come from?
All data for 1-tert-butyl-4-(2-imidazol-1-ylethyl)piperazine;2-(4-tert-butylpiperazin-1-yl)acetamide;2-(4-tert-butylpiperazin-1-yl)-N,N-dimethylethanamine;4-[2-(4-tert-butylpiperazin-1-yl)ethyl]morpholine;2-(4-tert-butylpiperazin-1-yl)pyrazine;2-(4-tert-butylpiperazin-1-yl)-1,3-thiazole;1-tert-butyl-4-pyridin-2-ylpiperazine;1-tert-butyl-4-pyridin-3-ylpiperazine;1-tert-butyl-4-pyridin-4-ylpiperazine;1-tert-butyl-4-(2-pyrrolidin-1-ylethyl)piperazine is sourced from PubChem (CID 159424819), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).