发明人唐晓军,黄志刚,马晓峰. "Method for the Synthesis of (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(4-fluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 115977474 B, 授权公告日 2019-04-17.
发明人高志强,朱建伟,杨光. "A Process for Preparing High-Purity (R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-(4-fluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 110469879 A, 授权公告日 2017-12-07.
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