英文别名(5,6-DIMETHYL-4-OXO-3,4-DIHYDRO-THIENO[2,3-D]PYRIMIDIN-2-YL)-ACETIC ACID METHYL ESTER; Thieno[2,3-d]pyrimidine-2-aceticacid, 1,4-dihydro-5,6-dimethyl-4-oxo-, Methyl ester; 1,4-Dihydro-5,6-dimethyl-4-oxo-thieno[2,3-d]pyrimidin-2-acetic acid methyl ester; methyl 2-(5,6-dimethyl-4-oxo-3H-thieno[2,3-d]pyrimidin-2-yl)acetate; Methyl 2-{5,6-Dimethyl-4-oxo-3H,4H-thieno[2,3-d]pyrimidin-2-yl}acetate; Methyl 1,4-dihydro-5,6-dimethyl-4-oxothieno[2,3-d]pyrimidine-2-acetate; Methyl 1,4-dihydro-5,6-dimethyl-4-oxothieno2,3-dpyrimidin-2-acetate 
