发明人韩伟,朱建伟,张德明. "Method for the Synthesis of Ethyl 4-amino-1-methyl-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 114382522 A, 授权公告日 2018-08-23.
发明人林芳,黄志刚,郑宇鹏. "A Process for Preparing High-Purity Ethyl 4-amino-1-methyl-5-oxo-2,5-dihydro-1H-pyrrole-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108035994 A, 授权公告日 2021-08-03.
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