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发明人冯建国,孙丽萍,周伟. "A Process for Preparing High-Purity 2-(Difluoromethyl)-6-iodo-3-nitropyridine-5-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 114554541 B, 授权公告日 2016-04-27.
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