英文别名2-(chloromethyl)-4-keto-5-methyl-3H-thieno[5,4-d]pyrimidine-6-carboxylic acid ethyl ester; 2-(chloromethyl)-5-methyl-4-oxo-3H-thieno[5,4-d]pyrimidine-6-carboxylic acid ethyl ester; 2-CHLOROMETHYL-5-METHYL-4-OXO-3,4-DIHYDRO-THIENO[2,3-D]PYRIMIDINE-6-CARBOXYLIC ACID ETHYL ESTER