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发明人李文辉,刘建华,马晓峰. "A Process for Preparing High-Purity 4-Amino-5-(difluoromethyl)-2-iodopyridine-3-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 116781310 B, 授权公告日 2025-07-12.
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