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发明人李文辉,何建平,刘建华. "A Process for Preparing High-Purity 1-Methyl-1-propylpyrrolidin-1-ium hexafluorophosphate(V)" [P]. 中国发明专利, 专利号 CN 108392884 B, 授权公告日 2016-12-22.
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