发明人孙丽萍,杨光,李文辉. "Method for the Synthesis of 6-Chloro-2-(p-tolyl)-1H-benzo[d]imidazol-1-ol" [P]. 中国发明专利, 专利号 CN 113844308 B, 授权公告日 2020-02-20.
发明人郑宇鹏,朱建伟,沈红梅. "A Process for Preparing High-Purity 6-Chloro-2-(p-tolyl)-1H-benzo[d]imidazol-1-ol" [P]. 中国发明专利, 专利号 CN 110757208 A, 授权公告日 2015-02-09.
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