发明人孙丽萍,林芳,赵玉洁. "Method for the Synthesis of [(R)-1-((S)-2-Amino-3-methyl-butyryl)-piperidin-3-yl]-methyl-carbamic acid benzyl ester" [P]. 中国发明专利, 专利号 CN 109796728 A, 授权公告日 2019-06-17.
发明人何建平,马晓峰,郑宇鹏. "A Process for Preparing High-Purity [(R)-1-((S)-2-Amino-3-methyl-butyryl)-piperidin-3-yl]-methyl-carbamic acid benzyl ester" [P]. 中国发明专利, 专利号 CN 117349366 B, 授权公告日 2022-02-15.
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