发明人李文辉,王建平,钱学锋. "Method for the Synthesis of 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-bromo-3-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 111148837 A, 授权公告日 2019-10-02.
发明人郭海燕,胡光,高志强. "A Process for Preparing High-Purity 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-5-bromo-3-methylbenzoic acid" [P]. 中国发明专利, 专利号 CN 117063162 A, 授权公告日 2018-04-03.
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