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发明人马晓峰,刘建华,钱学锋. "Method for the Synthesis of 5-((3,4-Dichlorophenyl)amino)-4-(hydroxymethyl)-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 114362487 B, 授权公告日 2020-10-15.
发明人韩伟,郑宇鹏,林芳. "A Process for Preparing High-Purity 5-((3,4-Dichlorophenyl)amino)-4-(hydroxymethyl)-2H-pyrrol-2-one" [P]. 中国发明专利, 专利号 CN 117782220 A, 授权公告日 2025-10-06.
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