发明人高志强,王建平,何建平. "一种5-二氟甲基吡嗪-2-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 108937298 A, 授权公告日 2025-10-20.
发明人郭海燕,马晓峰,孙丽萍. "Method for the Synthesis of 5-(difluoromethyl)pyrazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 111858697 A, 授权公告日 2022-08-16.
发明人杨光,林芳,钱学锋. "A Process for Preparing High-Purity 5-(difluoromethyl)pyrazine-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 112626411 A, 授权公告日 2019-04-14.
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