发明人徐明华,陈志强,赵玉洁. "Method for the Synthesis of 4-Bromo-3-(difluoromethyl)-5-iodopyridine-2-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 117174422 A, 授权公告日 2018-02-27.
发明人马晓峰,徐明华,冯建国. "A Process for Preparing High-Purity 4-Bromo-3-(difluoromethyl)-5-iodopyridine-2-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 109010792 B, 授权公告日 2015-12-10.
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