发明人郭海燕,林芳,高志强. "Method for the Synthesis of 4,5-difluoro-1H-1,3-benzodiazole-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117250832 A, 授权公告日 2023-04-15.
Kumar R, Brown S R, O'Brien P Q. "A Process for Preparing High-Purity 4,5-difluoro-1H-1,3-benzodiazole-2-carboxylic acid" [P]. US Patent, US 11350792 B2, 2021-08-10.
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