(3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone

C128H120ClF2N19O13 — CID 157335311

IUPAC(3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone
SMILESC#Cc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c(F)c1.COc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)cc1F.Cc1cc(Cl)cc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c1.Cc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)cc1.Cc1cccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c1.[C-]#[N+]c1cccc(COc2cc3n(n2)CCN(C(=O)c2ccc(C)cc2)C3)c1
InChIInChI=1S/C22H18FN3O2.C22H20N4O2.C21H20ClN3O2.C21H20FN3O3.2C21H21N3O2/c1-2-16-8-9-19(20(23)12-16)22(27)25-10-11-26-18(14-25)13-21(24-26)28-15-17-6-4-3-5-7-17;1-16-6-8-18(9-7-16)22(27)25-10-11-26-20(14-25)13-21(24-26)28-15-17-4-3-5-19(12-17)23-2;1-15-9-17(11-18(22)10-15)21(26)24-7-8-25-19(13-24)12-20(23-25)27-14-16-5-3-2-4-6-16;1-27-19-8-7-16(11-18(19)22)21(26)24-9-10-25-17(13-24)12-20(23-25)28-14-15-5-3-2-4-6-15;1-16-6-5-9-18(12-16)21(25)23-10-11-24-19(14-23)13-20(22-24)26-15-17-7-3-2-4-8-17;1-16-7-9-18(10-8-16)21(25)23-11-12-24-19(14-23)13-20(22-24)26-15-17-5-3-2-4-6-17/h1,3-9,12-13H,10-11,14-15H2;3-9,12-13H,10-11,14-15H2,1H3;2-6,9-12H,7-8,13-14H2,1H3;2-8,11-12H,9-10,13-14H2,1H3;2-9,12-13H,10-11,14-15H2,1H3;2-10,13H,11-12,14-15H2,1H3
InChIKeyBFTRLCWGAARTJE-UHFFFAOYSA-N
MW2205.94 g/mol
LogP21.41
Rot. Bonds25

About (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone

(3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone (PubChem CID 157335311) has the molecular formula C128H120ClF2N19O13 and a molecular weight of 2205.94 g/mol. Its IUPAC name is (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone.

Molecular Properties

Compound Name(3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone
PubChem CID157335311
Molecular FormulaC128H120ClF2N19O13
Molecular Weight2205.94 g/mol
Exact Mass2203.90
IUPAC Name(3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone
SMILESC#Cc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c(F)c1.COc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)cc1F.Cc1cc(Cl)cc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c1.Cc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)cc1.Cc1cccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c1.[C-]#[N+]c1cccc(COc2cc3n(n2)CCN(C(=O)c2ccc(C)cc2)C3)c1
InChIInChI=1S/C22H18FN3O2.C22H20N4O2.C21H20ClN3O2.C21H20FN3O3.2C21H21N3O2/c1-2-16-8-9-19(20(23)12-16)22(27)25-10-11-26-18(14-25)13-21(24-26)28-15-17-6-4-3-5-7-17;1-16-6-8-18(9-7-16)22(27)25-10-11-26-20(14-25)13-21(24-26)28-15-17-4-3-5-19(12-17)23-2;1-15-9-17(11-18(22)10-15)21(26)24-7-8-25-19(13-24)12-20(23-25)27-14-16-5-3-2-4-6-16;1-27-19-8-7-16(11-18(19)22)21(26)24-9-10-25-17(13-24)12-20(23-25)28-14-15-5-3-2-4-6-15;1-16-6-5-9-18(12-16)21(25)23-10-11-24-19(14-23)13-20(22-24)26-15-17-7-3-2-4-8-17;1-16-7-9-18(10-8-16)21(25)23-11-12-24-19(14-23)13-20(22-24)26-15-17-5-3-2-4-6-17/h1,3-9,12-13H,10-11,14-15H2;3-9,12-13H,10-11,14-15H2,1H3;2-6,9-12H,7-8,13-14H2,1H3;2-8,11-12H,9-10,13-14H2,1H3;2-9,12-13H,10-11,14-15H2,1H3;2-10,13H,11-12,14-15H2,1H3
InChIKeyBFTRLCWGAARTJE-UHFFFAOYSA-N
XLogP21.41
TPSA297.75 Ų
H-Bond Donors
H-Bond Acceptors25
Rotatable Bonds25
Heavy Atoms163
Complexity

Lipinski Rule of Five

3 violations

RuleValue
MW ≤ 5002205.94
LogP ≤ 521.41
H-Bond Donors ≤ 50
H-Bond Acceptors ≤ 1025

Computed Properties (RDKit)

Structural Alerts{'alert_name': 'Carbo_cation/anion', 'substructure': 'N/A'}, {'alert_name': 'triple_bond', 'substructure': 'N/A'}

Analyze (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone with MolForge

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Frequently Asked Questions

What is the IUPAC name of (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone?
The IUPAC name of (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone (CID 157335311) is (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone.
What is the SMILES notation for (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone?
The canonical SMILES for (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone is C#Cc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c(F)c1.COc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)cc1F.Cc1cc(Cl)cc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c1.Cc1ccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)cc1.Cc1cccc(C(=O)N2CCn3nc(OCc4ccccc4)cc3C2)c1.[C-]#[N+]c1cccc(COc2cc3n(n2)CCN(C(=O)c2ccc(C)cc2)C3)c1.
What is the InChIKey of (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone?
The InChIKey is BFTRLCWGAARTJE-UHFFFAOYSA-N. The full InChI is InChI=1S/C22H18FN3O2.C22H20N4O2.C21H20ClN3O2.C21H20FN3O3.2C21H21N3O2/c1-2-16-8-9-19(20(23)12-16)22(27)25-10-11-26-18(14-25)13-21(24-26)28-15-17-6-4-3-5-7-17;1-16-6-8-18(9-7-16)22(27)25-10-11-26-20(14-25)13-21(24-26)28-15-17-4-3-5-19(12-17)23-2;1-15-9-17(11-18(22)10-15)21(26)24-7-8-25-19(13-24)12-20(23-25)27-14-16-5-3-2-4-6-16;1-27-19-8-7-16(11-18(19)22)21(26)24-9-10-25-17(13-24)12-20(23-25)28-14-15-5-3-2-4-6-15;1-16-6-5-9-18(12-16)21(25)23-10-11-24-19(14-23)13-20(22-24)26-15-17-7-3-2-4-8-17;1-16-7-9-18(10-8-16)21(25)23-11-12-24-19(14-23)13-20(22-24)26-15-17-5-3-2-4-6-17/h1,3-9,12-13H,10-11,14-15H2;3-9,12-13H,10-11,14-15H2,1H3;2-6,9-12H,7-8,13-14H2,1H3;2-8,11-12H,9-10,13-14H2,1H3;2-9,12-13H,10-11,14-15H2,1H3;2-10,13H,11-12,14-15H2,1H3.
What are the key properties of (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone?
(3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone has a molecular weight of 2205.94 g/mol, XLogP of 21.41, 25 rotatable bonds, 0 hydrogen bond donors, and 25 hydrogen bond acceptors.
Where does this data come from?
All data for (3-chloro-5-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-ethynyl-2-fluorophenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(3-fluoro-4-methoxyphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;[2-[(3-isocyanophenyl)methoxy]-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl]-(4-methylphenyl)methanone;(3-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone;(4-methylphenyl)-(2-phenylmethoxy-6,7-dihydro-4H-pyrazolo[1,5-a]pyrazin-5-yl)methanone is sourced from PubChem (CID 157335311), the world's largest open chemistry database maintained by the National Library of Medicine (NIH).