英文别名
2-chloro-8-ethyl-5-oxo-5,6,7,8-tetrahydro-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester;2-chloro-5-oxo-6-carbethoxy-8-ethyl-5,6,7,8-tetrahydro-pyrido(2,3-d)-pyrimidine;2-Chloro-8-ethyl-5,6,7,8-tetrahydro-5-oxo-pyrido[2,3-d]pyrimidine-6-carboxylic acid ethyl ester;ethyl 2-chloro-8-ethyl-5-oxo-6,7-dihydropyrido[2,3-d]pyrimidine-6-carboxylate