发明人冯建国,胡光,沈红梅. "Method for the Synthesis of 6,7-Dimethyl-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110383140 A, 授权公告日 2020-07-16.
发明人胡光,陈志强,张德明. "A Process for Preparing High-Purity 6,7-Dimethyl-1H-indole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110869150 B, 授权公告日 2021-04-06.
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