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发明人沈红梅,韩伟,何建平. "A Process for Preparing High-Purity Ethyl 2-(4-oxo-6-(trifluoromethyl)quinolin-1(4H)-yl)acetate" [P]. 中国发明专利, 专利号 CN 116249787 B, 授权公告日 2021-02-06.
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