5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one

C145H160F10N24O20 — CID 158706003

About 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one

5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one (PubChem CID 158706003) has the molecular formula C145H160F10N24O20 and a molecular weight of 2749.00 g/mol. Its IUPAC name is 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one.

Molecular Properties

• Compound Name: 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one
• PubChem CID: 158706003
• Molecular Formula: C145H160F10N24O20
• Molecular Weight: 2749.00 g/mol
• Exact Mass: 2747.21
• IUPAC Name: 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one
• SMILES: CC1(C(F)(F)F)CC(CN2CCn3nc(COc4ccccc4)cc3C2=O)C1.CC1CC(CN2CCn3nc(COc4ccccc4)cc3C2=O)C1.O=C1c2cc(COc3ccccc3)nn2CCN1CC1CCC1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@@H]1CCC1F.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@@H]1CCO1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@@]1(C(F)(F)F)CCO1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@H]1CCO1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@]1(C(F)(F)F)CCO1
• InChI: InChI=1S/C20H22F3N3O2.C19H23N3O2.2C18H18F3N3O3.C18H20FN3O2.C18H21N3O2.2C17H19N3O3/c1-19(20(21,22)23)10-14(11-19)12-25-7-8-26-17(18(25)27)9-15(24-26)13-28-16-5-3-2-4-6-16;1-14-9-15(10-14)12-21-7-8-22-18(19(21)23)11-16(20-22)13-24-17-5-3-2-4-6-17;2*19-18(20,21)17(6-9-27-17)12-23-7-8-24-15(16(23)25)10-13(22-24)11-26-14-4-2-1-3-5-14;19-16-7-6-13(16)11-21-8-9-22-17(18(21)23)10-14(20-22)12-24-15-4-2-1-3-5-15;22-18-17-11-15(13-23-16-7-2-1-3-8-16)19-21(17)10-9-20(18)12-14-5-4-6-14;2*21-17-16-10-13(12-23-14-4-2-1-3-5-14)18-20(16)8-7-19(17)11-15-6-9-22-15/h2-6,9,14H,7-8,10-13H2,1H3;2-6,11,14-15H,7-10,12-13H2,1H3;2*1-5,10H,6-9,11-12H2;1-5,10,13,16H,6-9,11-12H2;1-3,7-8,11,14H,4-6,9-10,12-13H2;2*1-5,10,15H,6-9,11-12H2/t;;2*17-;13-,16?;;2*15-/m..100.10/s1
• InChIKey: IICRTWCAFUEADW-JPYUILHXSA-N
• XLogP: 20.94
• TPSA: 415.80 Ų
• H-Bond Acceptors: 36
• Rotatable Bonds: 40
• Heavy Atoms: 199
• Complexity: —

Lipinski Rule of Five

3 violations

Rule	Value
MW ≤ 500	2749.00
LogP ≤ 5	20.94
H-Bond Donors ≤ 5	0
H-Bond Acceptors ≤ 10	36

Frequently Asked Questions

What is the IUPAC name of 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one?

The IUPAC name of 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one (CID 158706003) is 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one.

What is the SMILES notation for 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one?

The canonical SMILES for 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one is CC1(C(F)(F)F)CC(CN2CCn3nc(COc4ccccc4)cc3C2=O)C1.CC1CC(CN2CCn3nc(COc4ccccc4)cc3C2=O)C1.O=C1c2cc(COc3ccccc3)nn2CCN1CC1CCC1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@@H]1CCC1F.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@@H]1CCO1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@@]1(C(F)(F)F)CCO1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@H]1CCO1.O=C1c2cc(COc3ccccc3)nn2CCN1C[C@]1(C(F)(F)F)CCO1.

What is the InChIKey of 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one?

The InChIKey is IICRTWCAFUEADW-JPYUILHXSA-N. The full InChI is InChI=1S/C20H22F3N3O2.C19H23N3O2.2C18H18F3N3O3.C18H20FN3O2.C18H21N3O2.2C17H19N3O3/c1-19(20(21,22)23)10-14(11-19)12-25-7-8-26-17(18(25)27)9-15(24-26)13-28-16-5-3-2-4-6-16;1-14-9-15(10-14)12-21-7-8-22-18(19(21)23)11-16(20-22)13-24-17-5-3-2-4-6-17;2*19-18(20,21)17(6-9-27-17)12-23-7-8-24-15(16(23)25)10-13(22-24)11-26-14-4-2-1-3-5-14;19-16-7-6-13(16)11-21-8-9-22-17(18(21)23)10-14(20-22)12-24-15-4-2-1-3-5-15;22-18-17-11-15(13-23-16-7-2-1-3-8-16)19-21(17)10-9-20(18)12-14-5-4-6-14;2*21-17-16-10-13(12-23-14-4-2-1-3-5-14)18-20(16)8-7-19(17)11-15-6-9-22-15/h2-6,9,14H,7-8,10-13H2,1H3;2-6,11,14-15H,7-10,12-13H2,1H3;2*1-5,10H,6-9,11-12H2;1-5,10,13,16H,6-9,11-12H2;1-3,7-8,11,14H,4-6,9-10,12-13H2;2*1-5,10,15H,6-9,11-12H2/t;;2*17-;13-,16?;;2*15-/m..100.10/s1.

What are the key properties of 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one?

5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one has a molecular weight of 2749.00 g/mol, XLogP of 20.94, 40 rotatable bonds, 0 hydrogen bond donors, and 36 hydrogen bond acceptors.

Where does this data come from?

All data for 5-(cyclobutylmethyl)-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(1S)-2-fluorocyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[(3-methylcyclobutyl)methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[3-methyl-3-(trifluoromethyl)cyclobutyl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2R)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;5-[[(2S)-oxetan-2-yl]methyl]-2-(phenoxymethyl)-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2R)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one;2-(phenoxymethyl)-5-[[(2S)-2-(trifluoromethyl)oxetan-2-yl]methyl]-6,7-dihydropyrazolo[1,5-a]pyrazin-4-one is sourced from PubChem (CID 158706003), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).