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发明人徐明华,周伟,刘建华. "A Process for Preparing High-Purity 1,4-Bis(2,5-dimethyl-1H-pyrrol-1-yl)butane" [P]. 中国发明专利, 专利号 CN 112393141 B, 授权公告日 2024-09-07.
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