发明人杨光,胡光,钱学锋. "Method for the Synthesis of 2,3-Diamino-4-(difluoromethyl)pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117346714 B, 授权公告日 2023-04-11.
发明人郭海燕,刘建华,黄志刚. "A Process for Preparing High-Purity 2,3-Diamino-4-(difluoromethyl)pyridine-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114255481 A, 授权公告日 2020-03-01.
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