Synonyms: 1,5-Dihydro-1H-pyrazolo[3,4-d]pyrimidin-4-one, 1H-Pyrazolo[3,4-d]pyrimidin-4-ol, 4-Hydroxy-1H-pyrazolo[3,4-d]pyrimidine, 4-Hydroxypyrazolo[3,4-d]pyrimidine, 4-Oxopyrazolo[3,4-d]pyrimidine, Adenock, Allopur, Allopurinol(I), Allozym, Allurtal, Aloprim, Aloral, Alositol, Anoprolin, Anzief, Apulonga, Apurin, Apurol, Atisuril, BW 15658, BW 56-158, Bleminol, Bloxanth, Caplenal, Cellidrin, Cosuric, Dabroson, Embarin, Epidropal, Foligan, Geapur, Gichtex, Gotax, HPP, Hamarin, Hexanurat, Ketanrift, Ketobun A, Ledopur, Lopurin, Lysuron, Milurit, Miniplanor, Monarch, NSC 101655, NSC 1390, Nektrohan, Remid, Riball, Sigapurol, Sllo-puren, Suspendol, Takanarumin, Urbol, Uricemil, Uriprim, Uripurinol, Urobenyl, Urosin, Urtias, Xanturat, Zyloprim, Zyloric,1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one, Allopurinol, Alopurinol
