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发明人韩伟,罗永刚,杨光. "A Process for Preparing High-Purity Ethyl 2-Cyano-4-oxo-4-(2-(trifluoromethyl)phenyl)butanoate" [P]. 中国发明专利, 专利号 CN 115199998 A, 授权公告日 2021-06-24.
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