发明人朱建伟,钱学锋,王建平. "Method for the Synthesis of 2-(Difluoromethyl)-1h-1,3-benzodiazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112108450 B, 授权公告日 2016-07-18.
发明人周伟,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity 2-(Difluoromethyl)-1h-1,3-benzodiazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113982724 A, 授权公告日 2019-12-08.
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