发明人赵玉洁,刘建华,张德明. "Method for the Synthesis of 4-(1H-Benzo[d]imidazol-2-yl)-1-(2-ethoxyphenyl)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 114167158 B, 授权公告日 2019-06-04.
发明人何建平,朱建伟,唐晓军. "A Process for Preparing High-Purity 4-(1H-Benzo[d]imidazol-2-yl)-1-(2-ethoxyphenyl)pyrrolidin-2-one" [P]. 中国发明专利, 专利号 CN 111044075 A, 授权公告日 2016-05-24.
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