Mueller T C, Nowak P, Björnsson E. "一种的合成方法" [P]. European Patent, EP 3781425 A1, 2024-02-25.
发明人张德明,沈红梅,徐明华. "Method for the Synthesis of 1-(2-(Dimethylamino)ethyl)-4-(3-fluoro-4-methylbenzoyl)-3-hydroxy-5-(4-nitrophenyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 113817782 A, 授权公告日 2020-01-28.
发明人马晓峰,钱学锋,朱建伟. "A Process for Preparing High-Purity 1-(2-(Dimethylamino)ethyl)-4-(3-fluoro-4-methylbenzoyl)-3-hydroxy-5-(4-nitrophenyl)-1H-pyrrol-2(5H)-one" [P]. 中国发明专利, 专利号 CN 115545643 B, 授权公告日 2019-02-07.
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