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发明人刘建华,王建平,张德明. "A Process for Preparing High-Purity 4-(5-Chloro-2-methylphenyl)-N-(p-tolyl)piperazine-1-carboxamide" [P]. 中国发明专利, 专利号 CN 113286642 B, 授权公告日 2016-02-16.
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