Synonyms: 1H-1,2,3-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione,4,6-dimethyl- (9CI); 1H-v-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione,4,6-dimethyl- (8CI); 3H-v-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione,4,6-dimethyl- (6CI); v-Triazolo[4,5-d]pyrimidine-5,7(4H,6H)-dione,4,6-dimethyl- (7CI); 1,3-Dimethyl-8-azaxanthine;4,6-Dimethyl-1,2,3-triazolo-[4,5-d]-pyrimidine-5,7-dione; 8-Azatheophylline;NSC 39254; NSC 93412