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发明人郭海燕,李文辉,周伟. "A Process for Preparing High-Purity Methyl 1-(2-hydroxyphenyl)-5-oxopyrrolidine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 117809724 B, 授权公告日 2017-11-05.
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