发明人张德明,郑宇鹏,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117907769 A, 授权公告日 2024-07-11.
发明人周伟,唐晓军,高志强. "Method for the Synthesis of 5-(3-Ethoxy-2-hydroxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one" [P]. 中国发明专利, 专利号 CN 112364449 B, 授权公告日 2021-05-01.
发明人孙丽萍,朱建伟,李文辉. "A Process for Preparing High-Purity 5-(3-Ethoxy-2-hydroxybenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one" [P]. 中国发明专利, 专利号 CN 110174150 A, 授权公告日 2017-07-05.
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