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发明人郭海燕,韩伟,赵玉洁. "A Process for Preparing High-Purity N-(3,5-Dichlorophenyl)-4-(thiophen-2-yl)tetrahydro-2H-pyran-4-carboxamide" [P]. 中国发明专利, 专利号 CN 117966639 B, 授权公告日 2019-05-09.
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