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发明人黄志刚,王建平,何建平. "A Process for Preparing High-Purity [4-(6-Dimethylamino-4-trifluoromethyl-pyridin-2-yl)-phenyl]-carbamic acid ethyl ester" [P]. 中国发明专利, 专利号 CN 111817145 B, 授权公告日 2016-05-02.
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