发明人罗永刚,何建平,刘建华. "Method for the Synthesis of 1-((Tert-butoxycarbonyl)(methyl)amino)-3,3-difluorocyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112782113 B, 授权公告日 2022-11-09.
发明人高志强,陈志强,杨光. "A Process for Preparing High-Purity 1-((Tert-butoxycarbonyl)(methyl)amino)-3,3-difluorocyclobutane-1-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117307782 A, 授权公告日 2024-11-12.
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