发明人陈志强,郭海燕,周伟. "Method for the Synthesis of (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(sulfomethyl)phenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 112291302 B, 授权公告日 2020-12-04.
发明人林芳,李文辉,钱学锋. "A Process for Preparing High-Purity (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(sulfomethyl)phenyl)propanoic acid" [P]. 中国发明专利, 专利号 CN 109496711 B, 授权公告日 2018-05-10.
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