发明人赵玉洁,王建平,唐晓军. "Method for the Synthesis of 2-(Dimethylamino)-4,4-diphenyl-1H-imidazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 115749217 B, 授权公告日 2016-01-28.
发明人钱学锋,郑宇鹏,罗永刚. "A Process for Preparing High-Purity 2-(Dimethylamino)-4,4-diphenyl-1H-imidazol-5(4H)-one" [P]. 中国发明专利, 专利号 CN 117304630 A, 授权公告日 2023-09-26.
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