发明人徐明华,孙丽萍,刘建华. "Method for the Synthesis of N-((1-((S)-2-Amino-3-methylbutanoyl)pyrrolidin-2-yl)methyl)-N-ethylacetamide" [P]. 中国发明专利, 专利号 CN 112302798 B, 授权公告日 2020-03-12.
发明人张德明,唐晓军,孙丽萍. "A Process for Preparing High-Purity N-((1-((S)-2-Amino-3-methylbutanoyl)pyrrolidin-2-yl)methyl)-N-ethylacetamide" [P]. 中国发明专利, 专利号 CN 112841349 B, 授权公告日 2024-01-17.
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