| 英文同义词: | ethyl 8-ethyl-5,6,7,8-tetrahydro-2-methoxy-5-oxopyrido[2,3-d]pyrimidine-6-carboxylate;8-Ethyl-5,6,7,8-tetrahydro-2-methoxy-5-oxopyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester;Pyrido[2,3-d]pyrimidine-6-carboxylic acid, 8-ethyl-5,6,7,8-tetrahydro-2-methoxy-5-oxo-, ethyl ester |