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发明人郭海燕,钱学锋,何建平. "A Process for Preparing High-Purity 2-Chloro-6-(difluoromethyl)-3-iodo-4-methoxypyridine" [P]. 中国发明专利, 专利号 CN 114431145 A, 授权公告日 2015-08-25.
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