1H-Purine-2,6-dithione, 3,7-dihydro- (9CI) 2,6-Dimercapto-7H-purine 2,6-Dithiopurine 2,6-Dithioxanthine 3,7-Dihydro-1H-purine-2,6-dithione 5437-25-2 AI3-52072 Dithioxanthine EINECS 226-608-8 NSC 15989 Purine-2,6-dithiol Xanthine, dithio- (7CI,8CI)