发明人韩伟,郭海燕,刘建华. "Method for the Synthesis of (2S,3S)-3-((tert-Butoxycarbonyl)amino)-3-(2,3-dimethoxyphenyl)-2-hydroxypropanoic acid" [P]. 中国发明专利, 专利号 CN 108699671 A, 授权公告日 2015-05-25.
发明人郭海燕,陈志强,冯建国. "A Process for Preparing High-Purity (2S,3S)-3-((tert-Butoxycarbonyl)amino)-3-(2,3-dimethoxyphenyl)-2-hydroxypropanoic acid" [P]. 中国发明专利, 专利号 CN 113033432 A, 授权公告日 2021-12-08.
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