英文别名4-OXO-PIPERIDINE-3-CARBOXYLIC ACID METHYL ESTER; 3-CARBOMETHOXY-4-PIPERIDONE; 4-Oxo-3-piperidinecarboxylic acid methyl ester; 3-Piperidinecarboxylic acid, 4-oxo-, Methyl ester; 3-(Methoxycarbonyl)piperidin-4-one; Methyl 4-oxo-3-piperidinecarboxylate; methyl 4-oxonipecotate