发明人李文辉,韩伟,冯建国. "Method for the Synthesis of (2S)-2-Amino-3-[6-(Difluoromethyl)-1H-Indol-3-Yl]Propanoic Acid" [P]. 中国发明专利, 专利号 CN 110063524 A, 授权公告日 2016-02-15.
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