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发明人李文辉,马晓峰,朱建伟. "Method for the Synthesis of 2-Chloro-1,3-dimethyl-1H-benzimidazol-3-ium chloride" [P]. 中国发明专利, 专利号 CN 115500930 A, 授权公告日 2015-06-24.
发明人罗永刚,徐明华,李文辉. "A Process for Preparing High-Purity 2-Chloro-1,3-dimethyl-1H-benzimidazol-3-ium chloride" [P]. 中国发明专利, 专利号 CN 108164742 B, 授权公告日 2017-12-16.
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