发明人刘建华,郭海燕,赵玉洁. "Method for the Synthesis of 3-(1,2-Dimethyl-5-(trifluoromethyl)-1H-benzo[d]imidazol-3-ium-3-yl)propane-1-sulfonate" [P]. 中国发明专利, 专利号 CN 108852043 B, 授权公告日 2017-08-26.
Lee S K, Kumar R, Brown S R. "A Process for Preparing High-Purity 3-(1,2-Dimethyl-5-(trifluoromethyl)-1H-benzo[d]imidazol-3-ium-3-yl)propane-1-sulfonate" [P]. US Patent, US 11537883 B2, 2021-02-10.
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