发明人李文辉,朱建伟,赵玉洁. "Method for the Synthesis of 4-Ethoxy-3-methyl-1,5-dihydro-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 113098198 A, 授权公告日 2019-11-14.
发明人郭海燕,陈志强,钱学锋. "A Process for Preparing High-Purity 4-Ethoxy-3-methyl-1,5-dihydro-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 108614853 A, 授权公告日 2022-09-17.
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