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发明人郭海燕,刘建华,李文辉. "A Process for Preparing High-Purity 2-[(4-Chlorophenyl)sulfanyl]-4-(4-methylphenyl)-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 115217042 A, 授权公告日 2023-03-12.
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