发明人杨光,唐晓军,张德明. "Method for the Synthesis of 3-(Difluoromethyl)-4-fluoro-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 113861348 A, 授权公告日 2018-09-09.
发明人杨光,胡光,郑宇鹏. "A Process for Preparing High-Purity 3-(Difluoromethyl)-4-fluoro-5-methylpicolinonitrile" [P]. 中国发明专利, 专利号 CN 112854587 B, 授权公告日 2025-04-07.
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