Nielsen H, Lefèvre J P, Nowak P. "Method for the Synthesis of methyl (S)-3-amino-6-chloro-5-(4-(1-(4-chlorobenzyl)piperidin-4-yl)-3-ethylpiperazin-1-yl)pyrazine-2-carboxylate" [P]. European Patent, EP 3378556 A1, 2019-11-05.
发明人罗永刚,何建平,赵玉洁. "A Process for Preparing High-Purity methyl (S)-3-amino-6-chloro-5-(4-(1-(4-chlorobenzyl)piperidin-4-yl)-3-ethylpiperazin-1-yl)pyrazine-2-carboxylate" [P]. 中国发明专利, 专利号 CN 112995798 A, 授权公告日 2021-03-13.
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