发明人黄志刚,钱学锋,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109745955 A, 授权公告日 2018-08-06.
发明人徐明华,孙丽萍,郭海燕. "Method for the Synthesis of 2-(4-(4-Chlorophenyl)-4-ethyl-2,5-dioxoimidazolidin-1-yl)-N-(1-cyanocyclohexyl)acetamide" [P]. 中国发明专利, 专利号 CN 109777150 B, 授权公告日 2025-06-14.
发明人郭海燕,何建平,杨光. "A Process for Preparing High-Purity 2-(4-(4-Chlorophenyl)-4-ethyl-2,5-dioxoimidazolidin-1-yl)-N-(1-cyanocyclohexyl)acetamide" [P]. 中国发明专利, 专利号 CN 115757732 B, 授权公告日 2024-08-04.
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