8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one

C124H137F3N30O12S4 — CID 158673763

IUPAC8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one
SMILESC=C(c1cc2cnc(Nc3ccc(C4CCCNC4)cc3)nc2n(Cc2cnoc2S(=O)(=O)CC(F)(F)F)c1=O)C1CC1.CC1=C(c2cc3cnc(Nc4ccc(N5CCN(C)CC5)cc4)nc3n(Cc3cnccc3S(=O)c3ccccc3)c2=O)CCC1.CCOc1cc2cnc(Nc3ccc(C4CCN(C)CC4)cc3)nc2n(Cc2nnn(C)c2S(C)=O)c1=O.CN(C)CCS(=O)(=O)c1cnccc1Cn1c(=O)c(-c2nccn2C)cc2cnc(Nc3ccc(C4CCN(C)CC4)cc3)nc21
InChIInChI=1S/C36H37N7O2S.C33H39N9O3S.C29H29F3N6O4S.C26H32N8O3S/c1-25-7-6-10-31(25)32-21-26-23-38-36(39-28-11-13-29(14-12-28)42-19-17-41(2)18-20-42)40-34(26)43(35(32)44)24-27-22-37-16-15-33(27)46(45)30-8-4-3-5-9-30;1-39(2)17-18-46(44,45)29-21-34-12-9-25(29)22-42-30-26(19-28(32(42)43)31-35-13-16-41(31)4)20-36-33(38-30)37-27-7-5-23(6-8-27)24-10-14-40(3)15-11-24;1-17(18-4-5-18)24-11-21-13-34-28(36-23-8-6-19(7-9-23)20-3-2-10-33-12-20)37-25(21)38(26(24)39)15-22-14-35-42-27(22)43(40,41)16-29(30,31)32;1-5-37-22-14-19-15-27-26(28-20-8-6-17(7-9-20)18-10-12-32(2)13-11-18)29-23(19)34(24(22)35)16-21-25(38(4)36)33(3)31-30-21/h3-5,8-9,11-16,21-23H,6-7,10,17-20,24H2,1-2H3,(H,38,39,40);5-9,12-13,16,19-21,24H,10-11,14-15,17-18,22H2,1-4H3,(H,36,37,38);6-9,11,13-14,18,20,33H,1-5,10,12,15-16H2,(H,34,36,37);6-9,14-15,18H,5,10-13,16H2,1-4H3,(H,27,28,29)
InChIKeyIEGKZTKDMDWBIJ-UHFFFAOYSA-N
MW2424.92 g/mol
LogP16.83
Rot. Bonds35

About 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one

8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one (PubChem CID 158673763) has the molecular formula C124H137F3N30O12S4 and a molecular weight of 2424.92 g/mol. Its IUPAC name is 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one.

Molecular Properties

Compound Name8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one
PubChem CID158673763
Molecular FormulaC124H137F3N30O12S4
Molecular Weight2424.92 g/mol
Exact Mass2422.99
IUPAC Name8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one
SMILESC=C(c1cc2cnc(Nc3ccc(C4CCCNC4)cc3)nc2n(Cc2cnoc2S(=O)(=O)CC(F)(F)F)c1=O)C1CC1.CC1=C(c2cc3cnc(Nc4ccc(N5CCN(C)CC5)cc4)nc3n(Cc3cnccc3S(=O)c3ccccc3)c2=O)CCC1.CCOc1cc2cnc(Nc3ccc(C4CCN(C)CC4)cc3)nc2n(Cc2nnn(C)c2S(C)=O)c1=O.CN(C)CCS(=O)(=O)c1cnccc1Cn1c(=O)c(-c2nccn2C)cc2cnc(Nc3ccc(C4CCN(C)CC4)cc3)nc21
InChIInChI=1S/C36H37N7O2S.C33H39N9O3S.C29H29F3N6O4S.C26H32N8O3S/c1-25-7-6-10-31(25)32-21-26-23-38-36(39-28-11-13-29(14-12-28)42-19-17-41(2)18-20-42)40-34(26)43(35(32)44)24-27-22-37-16-15-33(27)46(45)30-8-4-3-5-9-30;1-39(2)17-18-46(44,45)29-21-34-12-9-25(29)22-42-30-26(19-28(32(42)43)31-35-13-16-41(31)4)20-36-33(38-30)37-27-7-5-23(6-8-27)24-10-14-40(3)15-11-24;1-17(18-4-5-18)24-11-21-13-34-28(36-23-8-6-19(7-9-23)20-3-2-10-33-12-20)37-25(21)38(26(24)39)15-22-14-35-42-27(22)43(40,41)16-29(30,31)32;1-5-37-22-14-19-15-27-26(28-20-8-6-17(7-9-20)18-10-12-32(2)13-11-18)29-23(19)34(24(22)35)16-21-25(38(4)36)33(3)31-30-21/h3-5,8-9,11-16,21-23H,6-7,10,17-20,24H2,1-2H3,(H,38,39,40);5-9,12-13,16,19-21,24H,10-11,14-15,17-18,22H2,1-4H3,(H,36,37,38);6-9,11,13-14,18,20,33H,1-5,10,12,15-16H2,(H,34,36,37);6-9,14-15,18H,5,10-13,16H2,1-4H3,(H,27,28,29)
InChIKeyIEGKZTKDMDWBIJ-UHFFFAOYSA-N
XLogP16.83
TPSA479.46 Ų
H-Bond Donors5
H-Bond Acceptors42
Rotatable Bonds35
Heavy Atoms173
Complexity

Lipinski Rule of Five

3 violations

RuleValue
MW ≤ 5002424.92
LogP ≤ 516.83
H-Bond Donors ≤ 55
H-Bond Acceptors ≤ 1042

Computed Properties (RDKit)

Structural Alerts{'alert_name': 'anil_di_alk_A(478)', 'substructure': 'N/A'}

Analyze 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one with MolForge

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Frequently Asked Questions

What is the IUPAC name of 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one?
The IUPAC name of 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one (CID 158673763) is 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one.
What is the SMILES notation for 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one?
The canonical SMILES for 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one is C=C(c1cc2cnc(Nc3ccc(C4CCCNC4)cc3)nc2n(Cc2cnoc2S(=O)(=O)CC(F)(F)F)c1=O)C1CC1.CC1=C(c2cc3cnc(Nc4ccc(N5CCN(C)CC5)cc4)nc3n(Cc3cnccc3S(=O)c3ccccc3)c2=O)CCC1.CCOc1cc2cnc(Nc3ccc(C4CCN(C)CC4)cc3)nc2n(Cc2nnn(C)c2S(C)=O)c1=O.CN(C)CCS(=O)(=O)c1cnccc1Cn1c(=O)c(-c2nccn2C)cc2cnc(Nc3ccc(C4CCN(C)CC4)cc3)nc21.
What is the InChIKey of 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one?
The InChIKey is IEGKZTKDMDWBIJ-UHFFFAOYSA-N. The full InChI is InChI=1S/C36H37N7O2S.C33H39N9O3S.C29H29F3N6O4S.C26H32N8O3S/c1-25-7-6-10-31(25)32-21-26-23-38-36(39-28-11-13-29(14-12-28)42-19-17-41(2)18-20-42)40-34(26)43(35(32)44)24-27-22-37-16-15-33(27)46(45)30-8-4-3-5-9-30;1-39(2)17-18-46(44,45)29-21-34-12-9-25(29)22-42-30-26(19-28(32(42)43)31-35-13-16-41(31)4)20-36-33(38-30)37-27-7-5-23(6-8-27)24-10-14-40(3)15-11-24;1-17(18-4-5-18)24-11-21-13-34-28(36-23-8-6-19(7-9-23)20-3-2-10-33-12-20)37-25(21)38(26(24)39)15-22-14-35-42-27(22)43(40,41)16-29(30,31)32;1-5-37-22-14-19-15-27-26(28-20-8-6-17(7-9-20)18-10-12-32(2)13-11-18)29-23(19)34(24(22)35)16-21-25(38(4)36)33(3)31-30-21/h3-5,8-9,11-16,21-23H,6-7,10,17-20,24H2,1-2H3,(H,38,39,40);5-9,12-13,16,19-21,24H,10-11,14-15,17-18,22H2,1-4H3,(H,36,37,38);6-9,11,13-14,18,20,33H,1-5,10,12,15-16H2,(H,34,36,37);6-9,14-15,18H,5,10-13,16H2,1-4H3,(H,27,28,29).
What are the key properties of 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one?
8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one has a molecular weight of 2424.92 g/mol, XLogP of 16.83, 35 rotatable bonds, 5 hydrogen bond donors, and 42 hydrogen bond acceptors.
Where does this data come from?
All data for 8-[[4-(benzenesulfinyl)-3-pyridinyl]methyl]-6-(2-methylcyclopenten-1-yl)-2-[4-(4-methylpiperazin-1-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-(1-cyclopropylethenyl)-2-(4-piperidin-3-ylanilino)-8-[[5-(2,2,2-trifluoroethylsulfonyl)-1,2-oxazol-4-yl]methyl]pyrido[2,3-d]pyrimidin-7-one;8-[[3-[2-(dimethylamino)ethylsulfonyl]-4-pyridinyl]methyl]-6-(1-methylimidazol-2-yl)-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one;6-ethoxy-8-[(1-methyl-5-methylsulfinyltriazol-4-yl)methyl]-2-[4-(1-methylpiperidin-4-yl)anilino]pyrido[2,3-d]pyrimidin-7-one is sourced from PubChem (CID 158673763), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).