英文别名Argatroban Impurity 31; Ethyl (2S,4R)-4-Methylpipecolate; (2S,4R)-4-Methyl-2-piperidinecarboxylic Acid Ethyl Ester; (2S-cis)-4-Methyl-2-piperidinecarboxylic Acid Ethyl Ester; ethyl (2R,4S)-4-methyl-2-pipecolate; Argatroban Impurity 39; Ethyl (2R,4S)-4-methyl-2-piperidinecarboxylate; Argatroban Related Compound 2; Ethyl-cis-4-methylpipecolat