1H-Pyrazolo(3,4-d)pyrimidin-4-thiol 1H-Pyrazolo(3,4-d)pyrimidine-4(5H)-thione 1H-Pyrazolo(3,4-d)pyrimidine-4-thiol 4-Mercapto-1H-pyrazolo(3,4-d)pyrimidine 4H-Pyrazolo(3,4-d)pyrimidine-4-thione, 1,5-dihydro- 5334-23-6 5H-Pyrazolo(3,4-d)pyrimidine-4-thione AI3-62083 Allopurinol, thio- DO 970 EINECS 226-251-8 MPP (VAN) MPP (pharmaceutical) NSC 1392 Pyrazolo(3,4-d)pyrimidine-4-thiol RS 570/T Thiopurinol Tisopurina [INN-Spanish] Tisopurine Tisopurine [INN] Tisopurinum [INN-Latin]