发明人杨光,何建平,罗永刚. "Method for the Synthesis of (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(((2-(trimethylsilyl)ethoxy)carbonyl)amino)hexanoic acid" [P]. 中国发明专利, 专利号 CN 111380345 B, 授权公告日 2019-01-23.
发明人罗永刚,杨光,胡光. "A Process for Preparing High-Purity (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(((2-(trimethylsilyl)ethoxy)carbonyl)amino)hexanoic acid" [P]. 中国发明专利, 专利号 CN 108709934 A, 授权公告日 2019-10-22.
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