英文别名2-CHLOROMETHYL-5-METHYL-4-OXO-3,4-DIHYDRO-THIENO[2,3-D]PYRIMIDINE-6-CARBOXYLIC ACID ETHYL ESTER; ethyl 2-(chloromethyl)-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylat; 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; ethyl 2-(chloromethyl)-5-methyl-4-oxo-3H-thieno[2,3-d]pyrimidine-6-carboxylate; Thieno[2,3-d]pyrimidine-6-carboxylic acid,2-(chloromethyl)-1,4-dihydro-5-methyl-4-oxo-,ethyl ester; ethyl 2-chloromethyl-3,4-dihydro-5-methyl-4-oxothieno[2,3-d]pyrimidine 6-carboxylate; ethyl 2-chloromethyl-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate 
