发明人杨光,罗永刚,钱学锋. "Method for the Synthesis of 5-(Difluoromethyl)-4-fluoro-3-methoxypicolinonitrile" [P]. 中国发明专利, 专利号 CN 115109655 B, 授权公告日 2024-01-04.
发明人周伟,陈志强,杨光. "A Process for Preparing High-Purity 5-(Difluoromethyl)-4-fluoro-3-methoxypicolinonitrile" [P]. 中国发明专利, 专利号 CN 116442087 A, 授权公告日 2024-02-20.
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