发明人徐明华,冯建国,刘建华. "Method for the Synthesis of 1-(2,4-Dimethylphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117092314 A, 授权公告日 2022-01-03.
Davis P L, Thompson G K, Brown S R. "A Process for Preparing High-Purity 1-(2,4-Dimethylphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid" [P]. US Patent, US 11291128 B2, 2016-04-04.
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