7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione

C145H142F12N12O30 — CID 157162112

About 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione

7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione (PubChem CID 157162112) has the molecular formula C145H142F12N12O30 and a molecular weight of 2760.76 g/mol. Its IUPAC name is 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione.

Molecular Properties

• Compound Name: 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione
• PubChem CID: 157162112
• Molecular Formula: C145H142F12N12O30
• Molecular Weight: 2760.76 g/mol
• Exact Mass: 2758.98
• IUPAC Name: 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione
• SMILES: CCN1CC2(CC(O)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.CCN1CC2(CC(OCc3ccccc3)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.CCOC1CC2(C1)CN(C)C(=O)c1c(O)c(=O)c(C(=O)CCc3ccc(F)cc3F)cn12.CN1CC2(CC(O)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.CN1CC2(CC(OCc3ccccc3)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.COC1CC2(C1)CN(C)C(=O)c1c(O)c(=O)c(C(=O)CCc3ccc(F)cc3F)cn12
• InChI: InChI=1S/C29H28F2N2O5.C28H26F2N2O5.C23H24F2N2O5.2C22H22F2N2O5.C21H20F2N2O5/c1-2-32-17-29(13-21(14-29)38-16-18-6-4-3-5-7-18)33-15-22(26(35)27(36)25(33)28(32)37)24(34)11-9-19-8-10-20(30)12-23(19)31;1-31-16-28(12-20(13-28)37-15-17-5-3-2-4-6-17)32-14-21(25(34)26(35)24(32)27(31)36)23(33)10-8-18-7-9-19(29)11-22(18)30;1-3-32-15-9-23(10-15)12-26(2)22(31)19-21(30)20(29)16(11-27(19)23)18(28)7-5-13-4-6-14(24)8-17(13)25;1-25-11-22(8-14(9-22)31-2)26-10-15(19(28)20(29)18(26)21(25)30)17(27)6-4-12-3-5-13(23)7-16(12)24;1-2-25-11-22(8-14(27)9-22)26-10-15(19(29)20(30)18(26)21(25)31)17(28)6-4-12-3-5-13(23)7-16(12)24;1-24-10-21(7-13(26)8-21)25-9-14(18(28)19(29)17(25)20(24)30)16(27)5-3-11-2-4-12(22)6-15(11)23/h3-8,10,12,15,21,36H,2,9,11,13-14,16-17H2,1H3;2-7,9,11,14,20,35H,8,10,12-13,15-16H2,1H3;4,6,8,11,15,30H,3,5,7,9-10,12H2,1-2H3;3,5,7,10,14,29H,4,6,8-9,11H2,1-2H3;3,5,7,10,14,27,30H,2,4,6,8-9,11H2,1H3;2,4,6,9,13,26,29H,3,5,7-8,10H2,1H3
• InChIKey: AMMPAULGNPBBOL-UHFFFAOYSA-N
• XLogP: 16.43
• TPSA: 555.04 Ų
• H-Bond Donors: 8
• H-Bond Acceptors: 36
• Rotatable Bonds: 35
• Heavy Atoms: 199
• Complexity: —

Lipinski Rule of Five

4 violations

Rule	Value
MW ≤ 500	2760.76
LogP ≤ 5	16.43
H-Bond Donors ≤ 5	8
H-Bond Acceptors ≤ 10	36

Frequently Asked Questions

What is the IUPAC name of 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione?

The IUPAC name of 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione (CID 157162112) is 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione.

What is the SMILES notation for 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione?

The canonical SMILES for 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione is CCN1CC2(CC(O)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.CCN1CC2(CC(OCc3ccccc3)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.CCOC1CC2(C1)CN(C)C(=O)c1c(O)c(=O)c(C(=O)CCc3ccc(F)cc3F)cn12.CN1CC2(CC(O)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.CN1CC2(CC(OCc3ccccc3)C2)n2cc(C(=O)CCc3ccc(F)cc3F)c(=O)c(O)c2C1=O.COC1CC2(C1)CN(C)C(=O)c1c(O)c(=O)c(C(=O)CCc3ccc(F)cc3F)cn12.

What is the InChIKey of 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione?

The InChIKey is AMMPAULGNPBBOL-UHFFFAOYSA-N. The full InChI is InChI=1S/C29H28F2N2O5.C28H26F2N2O5.C23H24F2N2O5.2C22H22F2N2O5.C21H20F2N2O5/c1-2-32-17-29(13-21(14-29)38-16-18-6-4-3-5-7-18)33-15-22(26(35)27(36)25(33)28(32)37)24(34)11-9-19-8-10-20(30)12-23(19)31;1-31-16-28(12-20(13-28)37-15-17-5-3-2-4-6-17)32-14-21(25(34)26(35)24(32)27(31)36)23(33)10-8-18-7-9-19(29)11-22(18)30;1-3-32-15-9-23(10-15)12-26(2)22(31)19-21(30)20(29)16(11-27(19)23)18(28)7-5-13-4-6-14(24)8-17(13)25;1-25-11-22(8-14(9-22)31-2)26-10-15(19(28)20(29)18(26)21(25)30)17(27)6-4-12-3-5-13(23)7-16(12)24;1-2-25-11-22(8-14(27)9-22)26-10-15(19(29)20(30)18(26)21(25)31)17(28)6-4-12-3-5-13(23)7-16(12)24;1-24-10-21(7-13(26)8-21)25-9-14(18(28)19(29)17(25)20(24)30)16(27)5-3-11-2-4-12(22)6-15(11)23/h3-8,10,12,15,21,36H,2,9,11,13-14,16-17H2,1H3;2-7,9,11,14,20,35H,8,10,12-13,15-16H2,1H3;4,6,8,11,15,30H,3,5,7,9-10,12H2,1-2H3;3,5,7,10,14,29H,4,6,8-9,11H2,1-2H3;3,5,7,10,14,27,30H,2,4,6,8-9,11H2,1H3;2,4,6,9,13,26,29H,3,5,7-8,10H2,1H3.

What are the key properties of 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione?

7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione has a molecular weight of 2760.76 g/mol, XLogP of 16.43, 35 rotatable bonds, 8 hydrogen bond donors, and 36 hydrogen bond acceptors.

Where does this data come from?

All data for 7-[3-(2,4-difluorophenyl)propanoyl]-3',9-dihydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-3'-ethoxy-9-hydroxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-3',9-dihydroxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-2-ethyl-9-hydroxy-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-3'-methoxy-2-methylspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione;7-[3-(2,4-difluorophenyl)propanoyl]-9-hydroxy-2-methyl-3'-phenylmethoxyspiro[3H-pyrido[1,2-a]pyrazine-4,1'-cyclobutane]-1,8-dione is sourced from PubChem (CID 157162112), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).