has role has attribute value has attribute antimetabolite EC 1.17.3.2 (xanthine oxidase) inhibitor gout suppressant allopurinol 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidin-4-one 1,5-Dihydro-4H-pyrazolo(3,4-d)pyrimidine-4-one 1H-Pyrazolo(3,4-d)pyrimidin-4-ol 1H-pyrazolo[3,4-d]pyrimidin-4-ol 4'-Hydroxypyrazolol(3,4-d)pyrimidine 4-HPP 4-Hydroxy-1H-pyrazolo(3,4-d)pyrimidine 4-Hydroxy-3,4-pyrazolopyrimidine 4-Hydroxypyrazolo(3,4-d)pyrimidine 4-Hydroxypyrazolopyrimidine 4-Hydroxypyrazolyl(3,4-d)pyrimidine 4H-Pyrazolo(3,4-d)pyrimidin-4-one A bicyclic structure comprising a pyrazole ring fused to a hydroxy-substituted pyrimidine ring. AL-100 Allopurinol Allopurinolum Alopurinol Beilstein:608611 CAS:315-30-0 CHEBI:40279 DrugBank:DB00437 Drug_Central:124 LINCS:LSM-5919 PMID:11333159 PMID:16650385 PMID:24395556 PMID:24590210 PMID:24591375 PMID:7602118 Reaxys:608611 Zyloprim (TN) radical scavenger organic molecular entity drug liver toxicity Most-DILI-Concern