发明人徐明华,何建平,刘建华. "Method for the Synthesis of 6-Bromo-5-(difluoromethyl)-4-formylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 114624776 A, 授权公告日 2020-07-06.
发明人钱学锋,周伟,郭海燕. "A Process for Preparing High-Purity 6-Bromo-5-(difluoromethyl)-4-formylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 108747914 A, 授权公告日 2016-06-24.
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