发明人何建平,钱学锋,韩伟. "Method for the Synthesis of N1-(2-Methoxyethyl)-N2-(4-methyl-3-(2-oxopyrrolidin-1-yl)phenyl)oxalamide" [P]. 中国发明专利, 专利号 CN 113543190 B, 授权公告日 2018-12-10.
发明人郑宇鹏,罗永刚,高志强. "A Process for Preparing High-Purity N1-(2-Methoxyethyl)-N2-(4-methyl-3-(2-oxopyrrolidin-1-yl)phenyl)oxalamide" [P]. 中国发明专利, 专利号 CN 111527595 B, 授权公告日 2020-05-28.
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