Synonyms:
2,5-dimethyl-4-oxo-3,4-dihydro-thieno[2,3-d]pyrimidine-6-carboxylic acid ethyl ester ; 2,5-dimethyl-4-oxo-3h-thieno[5,4-d]pyrimidine-6-carboxylic acid ethyl ester ; nsc 349832 ; thieno[2,3-d]pyrimidine-6-carboxylicacid, 1,4-dihydro-2,5-dimethyl-4-oxo-, ethyl ester ; thieno[2,3-d]pyrimidine-6-carboxylicacid, 3,4-dihydro-2,5-dimethyl-4-oxo-, ethyl ester (8ci) ; 4-keto-2,5-dimethyl-3h-thieno[5,4-d]pyrimidine-6-carboxylic acid ethyl ester ; ethyl 2,5-dimethyl-4-oxo-3h-thieno[5,4-d]pyrimidine-6-carboxylate