发明人胡光,郭海燕,沈红梅. "Method for the Synthesis of 2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 114363712 A, 授权公告日 2019-08-17.
发明人刘建华,陈志强,杨光. "A Process for Preparing High-Purity 2-((((9H-fluoren-9-yl)methoxy)carbonyl)(methyl)amino)butanoic acid" [P]. 中国发明专利, 专利号 CN 108170611 A, 授权公告日 2016-06-21.
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