发明人胡光,周伟,王建平. "Method for the Synthesis of Ethyl 5-methoxy-3-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 115653359 A, 授权公告日 2019-11-27.
发明人郭海燕,李文辉,孙丽萍. "A Process for Preparing High-Purity Ethyl 5-methoxy-3-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111348064 B, 授权公告日 2016-05-02.
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