发明人郭海燕,徐明华,黄志刚. "Method for the Synthesis of 3-[2-(2,4-dimethoxyphenyl)-1h-indol-3-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 113639488 B, 授权公告日 2020-11-17.
发明人林芳,何建平,罗永刚. "A Process for Preparing High-Purity 3-[2-(2,4-dimethoxyphenyl)-1h-indol-3-yl]propanoic acid" [P]. 中国发明专利, 专利号 CN 115211764 B, 授权公告日 2024-10-19.
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