发明人王建平,罗永刚,刘建华. "Method for the Synthesis of (E)-3-(1-methyl-1H-indol-5-yl)acrylic acid" [P]. 中国发明专利, 专利号 CN 109922379 A, 授权公告日 2015-03-22.
发明人马晓峰,赵玉洁,沈红梅. "A Process for Preparing High-Purity (E)-3-(1-methyl-1H-indol-5-yl)acrylic acid" [P]. 中国发明专利, 专利号 CN 112081446 A, 授权公告日 2019-04-07.
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