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发明人孙丽萍,黄志刚,陈志强. "A Process for Preparing High-Purity Ethyl 4-[3-(2-ethoxy-2-oxoethyl)phenyl]benzoate" [P]. 中国发明专利, 专利号 CN 117002960 B, 授权公告日 2023-08-28.
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