发明人王建平,林芳,冯建国. "Method for the Synthesis of 2,3-Dimethyl-1h-indole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 116277978 A, 授权公告日 2015-01-18.
发明人赵玉洁,马晓峰,郭海燕. "A Process for Preparing High-Purity 2,3-Dimethyl-1h-indole-5-carboxamide" [P]. 中国发明专利, 专利号 CN 109674443 A, 授权公告日 2020-04-19.
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