发明人张德明,杨光,马晓峰. "Method for the Synthesis of 4-Cyano-6-(difluoromethyl)-3-fluoropyridine-2-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 112396830 B, 授权公告日 2021-04-01.
发明人韩伟,马晓峰,沈红梅. "A Process for Preparing High-Purity 4-Cyano-6-(difluoromethyl)-3-fluoropyridine-2-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 108185378 A, 授权公告日 2024-09-12.
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