1H-PYRAZOLO(3,4-D)PYRIMIDINE-4,6(5H,7H)-DIONE 1H-Pyrazolo(3,4-d)pyrimidine, 4,6(5H,7H)-dione 1H-Pyrazolo(3,4-d)pyrimidine,4,6(5H,7H)-dione 1H-Pyrazolo(3,4-d)pyrimidine-4,6-diol 2465-59-0 4,6-Dihydroxypyrazolo(3,4-d)pyrimidine AI3-50432 Alloxanthin (VAN) B. W. 55-5 BW 55-5 BW 555 DHPP EINECS 219-570-9 EPA Pesticide Chemical Code 447509 NSC 76239 Ossipurinolo [DCIT] Oxipurinol Oxipurinolum [INN-Latin] Oxoallopurinol Oxypurinol Oxypurinol [USAN:BAN]