Schröder R, Martínez F, Lefèvre J P. "Method for the Synthesis of (S)-2-(((9H-FLuoren-9-yl)methoxy)carbonylamino)-6-(2-nitrophenylsulfonamido)hexanoic acid" [P]. European Patent, EP 3538171 A1, 2016-09-11.
发明人李文辉,何建平,钱学锋. "A Process for Preparing High-Purity (S)-2-(((9H-FLuoren-9-yl)methoxy)carbonylamino)-6-(2-nitrophenylsulfonamido)hexanoic acid" [P]. 中国发明专利, 专利号 CN 111505092 A, 授权公告日 2021-05-15.
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