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发明人胡光,徐明华,李文辉. "Method for the Synthesis of 1-(2-(Dimethylamino)ethyl)-4-(3-fluoro-4-methylbenzoyl)-3-hydroxy-5-(3-nitrophenyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 109399771 B, 授权公告日 2015-10-11.
发明人马晓峰,杨光,黄志刚. "A Process for Preparing High-Purity 1-(2-(Dimethylamino)ethyl)-4-(3-fluoro-4-methylbenzoyl)-3-hydroxy-5-(3-nitrophenyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 114631457 B, 授权公告日 2018-07-12.
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