Synonyms: 3H-v-Triazolo[4,5-d]pyrimidin-7-ol,5-amino-3-(p-chlorophenyl)- (6CI); 7H-1,2,3-Triazolo[4,5-d]pyrimidin-7-one,5-amino-3-(4-chlorophenyl)-3,4-dihydro- (9CI);7H-v-Triazolo[4,5-d]pyrimidin-7-one, 5-amino-3-(p-chlorophenyl)-3,6-dihydro-(8CI); NSC 29577