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发明人冯建国,何建平,刘建华. "A Process for Preparing High-Purity [1-((S)-2-Amino-propionyl)-pyrrolidin-2-ylmethyl]-methyl-carbamic acid benzyl ester" [P]. 中国发明专利, 专利号 CN 115619052 B, 授权公告日 2017-12-25.
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