发明人冯建国,沈红梅,刘建华. "Method for the Synthesis of Methyl 4-(((((9H-fluoren-9-yl)methoxy)carbonyl)amino)methyl)benzoate" [P]. 中国发明专利, 专利号 CN 114632786 A, 授权公告日 2020-09-12.
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