发明人赵玉洁,郑宇鹏,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117085782 A, 授权公告日 2017-06-04.
发明人徐明华,钱学锋,李文辉. "Method for the Synthesis of (S)-2-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic acid" [P]. 中国发明专利, 专利号 CN 108467869 A, 授权公告日 2021-08-22.
Fischer A B, Mueller T, Patel M V. "A Process for Preparing High-Purity (S)-2-((tert-Butoxycarbonyl)amino)-4-(2,4-difluorophenyl)butanoic acid" [P]. US Patent, US 10285871 B2, 2024-03-11.
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