发明人赵玉洁,李文辉,杨光. "Method for the Synthesis of 2-(2-(2-((2-(1H-Indol-3-yl)ethyl)amino)-2-oxoethyl)-1,3-dioxolan-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 115981391 A, 授权公告日 2022-05-28.
发明人高志强,朱建伟,黄志刚. "A Process for Preparing High-Purity 2-(2-(2-((2-(1H-Indol-3-yl)ethyl)amino)-2-oxoethyl)-1,3-dioxolan-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 109267619 B, 授权公告日 2021-04-27.
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