发明人周伟,唐晓军,杨光. "Method for the Synthesis of 4,6-Difluoropyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 114482356 A, 授权公告日 2025-02-12.
发明人冯建国,马晓峰,郭海燕. "A Process for Preparing High-Purity 4,6-Difluoropyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 117186924 A, 授权公告日 2016-09-17.
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