英文别名3-Oxo-1,4-piperidinedicarboxylic acid 1-methyl 4-ethyl ester; 3-Oxo-1,4-piperidinedicarboxylic acid 4-ethyl 1-methyl ester; 1,4-Piperidinedicarboxylic acid, 3-oxo-, 4-ethyl 1-methyl ester; 4-O-ethyl 1-O-methyl 3-oxopiperidine-1,4-dicarboxylate; ethyl 1-methoxycarbonyl-3-oxopiperidine-4-carboxylate; (+-)-4-ethyl 1-methyl-3-oxopiperidine-1,4-dicarboxylate 
