1,4,5,6-Tetrahydro-5-thioxo-7H-1,2,3-triazolo(4,5-d)pyrimidin-7-one 1H-v-Triazolo(4,5-d)pyrimidine-5,7(4H,6H)-dione,5-thio- (8CI) 2-Thio-6-hydroxy-8-azapurine 31571-52-5 3H-s-Triazolo(4,5-d)pyrimidin-7(4H,6H)-one, 5-thiono- 3H-v-Triazolo(4,5-d)pyrimidin-7(4H,6H)-one, 5-thiono- 5-Thiono-s-triazolo(4,5-d)pyrimidin-7(4H,6H)-one 5-Thiono-v-triazolo(4,5-d)pyrimidin-7(4H,6H)-one 6-Hydroxy-2-thio-8-azapurine 7H-1,2,3-Triazolo(4,5-d)pyrimidin-7-one, 1,4,5,6-tetrahydro-5-thioxo- 8-Aza-2-thioxanthine 8-Azapurine, 6-hydroxy-2-thio- 8-Azathioxanthine EINECS 250-710-1 NSC 75811 USAF CB-25