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发明人杨光,张德明,沈红梅. "A Process for Preparing High-Purity 2-[4-(6-Dimethylamino-4-trifluoromethyl-pyridin-2-yl)-phenoxy]-propionic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 111473692 A, 授权公告日 2019-01-19.
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