发明人孙丽萍,黄志刚,张德明. "Method for the Synthesis of (S)-2-Amino-N-ethyl-3-methyl-N-(4-methylbenzyl)butanamide" [P]. 中国发明专利, 专利号 CN 116270397 A, 授权公告日 2023-01-19.
发明人李文辉,赵玉洁,朱建伟. "A Process for Preparing High-Purity (S)-2-Amino-N-ethyl-3-methyl-N-(4-methylbenzyl)butanamide" [P]. 中国发明专利, 专利号 CN 108750689 A, 授权公告日 2019-02-06.
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