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发明人林芳,胡光,钱学锋. "A Process for Preparing High-Purity (E)-1-((4-chlorophenyl)sulfonyl)-N'-(2-hydroxybenzylidene)piperidine-4-carbohydrazide" [P]. 中国发明专利, 专利号 CN 114352924 B, 授权公告日 2024-05-03.
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