3,7-dimethyl-5-oxo-1H-[1,2,4]triazolo[5,4-f]pyrimidine-8-carboxylic acid 5-keto-3,7-dimethyl-1H-[1,2,4]triazolo[5,4-f]pyrimidine-8-carboxylic acid NSC624945 1,2,4-Triazolo[4,3-c]pyrimidine-8-carboxylic acid, 1,5-dihydro-3,7-dimethyl-5-oxo- AIDS-038473 AIDS038473 NCI60_007616