发明人黄志刚,朱建伟,胡光. "Method for the Synthesis of Ethyl 7-methylbenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 113100398 A, 授权公告日 2018-03-08.
发明人郭海燕,唐晓军,罗永刚. "A Process for Preparing High-Purity Ethyl 7-methylbenzofuran-2-carboxylate" [P]. 中国发明专利, 专利号 CN 116289664 A, 授权公告日 2015-03-09.
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