Rossi M, Jørgensen K, Martínez F. "Method for the Synthesis of (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,4-dimethoxyphenyl)acetic acid" [P]. European Patent, EP 3556683 A1, 2023-03-24.
发明人沈红梅,钱学锋,黄志刚. "A Process for Preparing High-Purity (R)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,4-dimethoxyphenyl)acetic acid" [P]. 中国发明专利, 专利号 CN 110895873 A, 授权公告日 2022-04-18.
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