发明人冯建国,何建平,罗永刚. "Method for the Synthesis of Ethyl 6-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 111004654 A, 授权公告日 2021-07-17.
发明人胡光,黄志刚,唐晓军. "A Process for Preparing High-Purity Ethyl 6-methyl-1H-indole-2-carboxylate" [P]. 中国发明专利, 专利号 CN 108849936 A, 授权公告日 2021-06-24.
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