发明人沈红梅,冯建国,何建平. "Method for the Synthesis of 4-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,2,2-trifluoroethyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 113186574 B, 授权公告日 2017-08-22.
发明人陈志强,唐晓军,郭海燕. "A Process for Preparing High-Purity 4-(1-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2,2,2-trifluoroethyl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109968151 A, 授权公告日 2018-11-10.
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