(3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione

C123H119Cl2F3N32O13 — CID 157133660

About (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione

(3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione (PubChem CID 157133660) has the molecular formula C123H119Cl2F3N32O13 and a molecular weight of 2381.42 g/mol. Its IUPAC name is (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione.

Molecular Properties

• Compound Name: (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione
• PubChem CID: 157133660
• Molecular Formula: C123H119Cl2F3N32O13
• Molecular Weight: 2381.42 g/mol
• Exact Mass: 2378.90
• IUPAC Name: (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione
• SMILES: CCc1cc(NC2CC2)n2ncc(/C=C3\CC(=O)NC3=O)c2n1.CN(C)c1cc(NC2CC2)n2ncc(/C=C3\CC(=O)NC3=O)c2n1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(CC(CN4CCOCC4)c4ccccc4)nc23)C(=O)N1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(Cc4ccc(Cl)cc4)nc23)C(=O)N1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(Cc4cccc(C(F)(F)F)c4)nc23)C(=O)N1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(Cc4cccc(Cl)c4)nc23)C(=O)N1
• InChI: InChI=1S/C27H30N6O3.C22H18F3N5O2.2C21H18ClN5O2.C16H18N6O2.C16H17N5O2/c34-25-14-19(27(35)31-25)12-20-16-28-33-24(29-22-6-7-22)15-23(30-26(20)33)13-21(18-4-2-1-3-5-18)17-32-8-10-36-11-9-32;23-22(24,25)15-3-1-2-12(6-15)7-17-10-18(27-16-4-5-16)30-20(28-17)14(11-26-30)8-13-9-19(31)29-21(13)32;22-15-3-1-12(2-4-15)7-17-10-18(24-16-5-6-16)27-20(25-17)14(11-23-27)8-13-9-19(28)26-21(13)29;22-15-3-1-2-12(6-15)7-17-10-18(24-16-4-5-16)27-20(25-17)14(11-23-27)8-13-9-19(28)26-21(13)29;1-21(2)12-7-13(18-11-3-4-11)22-15(19-12)10(8-17-22)5-9-6-14(23)20-16(9)24;1-2-11-7-13(18-12-3-4-12)21-15(19-11)10(8-17-21)5-9-6-14(22)20-16(9)23/h1-5,12,15-16,21-22,29H,6-11,13-14,17H2,(H,31,34,35);1-3,6,8,10-11,16,27H,4-5,7,9H2,(H,29,31,32);1-4,8,10-11,16,24H,5-7,9H2,(H,26,28,29);1-3,6,8,10-11,16,24H,4-5,7,9H2,(H,26,28,29);5,7-8,11,18H,3-4,6H2,1-2H3,(H,20,23,24);5,7-8,12,18H,2-4,6H2,1H3,(H,20,22,23)/b19-12+;3*13-8+;2*9-5+
• InChIKey: AJJDBJQCLFWBHS-XJGKPNKMSA-N
• XLogP: 13.79
• TPSA: 546.05 Ų
• H-Bond Donors: 12
• H-Bond Acceptors: 39
• Rotatable Bonds: 31
• Heavy Atoms: 173
• Complexity: —

Lipinski Rule of Five

4 violations

Rule	Value
MW ≤ 500	2381.42
LogP ≤ 5	13.79
H-Bond Donors ≤ 5	12
H-Bond Acceptors ≤ 10	39

Computed Properties (RDKit)

• Structural Alerts: {'alert_name': 'Michael_acceptor_1', 'substructure': 'N/A'}, {'alert_name': 'phthalimide', 'substructure': 'N/A'}

Frequently Asked Questions

What is the IUPAC name of (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione?

The IUPAC name of (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione (CID 157133660) is (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione.

What is the SMILES notation for (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione?

The canonical SMILES for (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione is CCc1cc(NC2CC2)n2ncc(/C=C3\CC(=O)NC3=O)c2n1.CN(C)c1cc(NC2CC2)n2ncc(/C=C3\CC(=O)NC3=O)c2n1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(CC(CN4CCOCC4)c4ccccc4)nc23)C(=O)N1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(Cc4ccc(Cl)cc4)nc23)C(=O)N1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(Cc4cccc(C(F)(F)F)c4)nc23)C(=O)N1.O=C1C/C(=C\c2cnn3c(NC4CC4)cc(Cc4cccc(Cl)c4)nc23)C(=O)N1.

What is the InChIKey of (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione?

The InChIKey is AJJDBJQCLFWBHS-XJGKPNKMSA-N. The full InChI is InChI=1S/C27H30N6O3.C22H18F3N5O2.2C21H18ClN5O2.C16H18N6O2.C16H17N5O2/c34-25-14-19(27(35)31-25)12-20-16-28-33-24(29-22-6-7-22)15-23(30-26(20)33)13-21(18-4-2-1-3-5-18)17-32-8-10-36-11-9-32;23-22(24,25)15-3-1-2-12(6-15)7-17-10-18(27-16-4-5-16)30-20(28-17)14(11-26-30)8-13-9-19(31)29-21(13)32;22-15-3-1-12(2-4-15)7-17-10-18(24-16-5-6-16)27-20(25-17)14(11-23-27)8-13-9-19(28)26-21(13)29;22-15-3-1-2-12(6-15)7-17-10-18(24-16-4-5-16)27-20(25-17)14(11-23-27)8-13-9-19(28)26-21(13)29;1-21(2)12-7-13(18-11-3-4-11)22-15(19-12)10(8-17-22)5-9-6-14(23)20-16(9)24;1-2-11-7-13(18-12-3-4-12)21-15(19-11)10(8-17-21)5-9-6-14(22)20-16(9)23/h1-5,12,15-16,21-22,29H,6-11,13-14,17H2,(H,31,34,35);1-3,6,8,10-11,16,27H,4-5,7,9H2,(H,29,31,32);1-4,8,10-11,16,24H,5-7,9H2,(H,26,28,29);1-3,6,8,10-11,16,24H,4-5,7,9H2,(H,26,28,29);5,7-8,11,18H,3-4,6H2,1-2H3,(H,20,23,24);5,7-8,12,18H,2-4,6H2,1H3,(H,20,22,23)/b19-12+;3*13-8+;2*9-5+.

What are the key properties of (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione?

(3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione has a molecular weight of 2381.42 g/mol, XLogP of 13.79, 31 rotatable bonds, 12 hydrogen bond donors, and 39 hydrogen bond acceptors.

Where does this data come from?

All data for (3E)-3-[[5-[(3-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[5-[(4-chlorophenyl)methyl]-7-(cyclopropylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(dimethylamino)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-ethylpyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-(3-morpholin-4-yl-2-phenylpropyl)pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione;(3E)-3-[[7-(cyclopropylamino)-5-[[3-(trifluoromethyl)phenyl]methyl]pyrazolo[1,5-a]pyrimidin-3-yl]methylidene]pyrrolidine-2,5-dione is sourced from PubChem (CID 157133660), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).