发明人朱建伟,王建平,何建平. "Method for the Synthesis of 5,7-Dimethyl-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116922111 B, 授权公告日 2021-12-20.
发明人郭海燕,罗永刚,马晓峰. "A Process for Preparing High-Purity 5,7-Dimethyl-1H-indole-3-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116210698 B, 授权公告日 2024-02-11.
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