发明人郭海燕,林芳,冯建国. "Method for the Synthesis of 2-(1H-Indol-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 110022855 A, 授权公告日 2015-10-06.
发明人郭海燕,张德明,朱建伟. "A Process for Preparing High-Purity 2-(1H-Indol-2-yl)acetic acid" [P]. 中国发明专利, 专利号 CN 113840680 B, 授权公告日 2020-11-03.
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