Kowalski A, Mueller T C, Johansson L. "Method for the Synthesis of 2-[2-(6-Chloro-pyrazin-2-yl)-ethyl]-piperidine-1-carboxylic acid tert-butyl ester" [P]. European Patent, EP 3603987 A1, 2017-09-23.
发明人张德明,王建平,李文辉. "A Process for Preparing High-Purity 2-[2-(6-Chloro-pyrazin-2-yl)-ethyl]-piperidine-1-carboxylic acid tert-butyl ester" [P]. 中国发明专利, 专利号 CN 113180300 A, 授权公告日 2017-10-03.
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