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发明人李文辉,沈红梅,胡光. "A Process for Preparing High-Purity 1-(3-(1-Isobutylpyrrolidin-2-yl)pyridin-2-yl)piperazine" [P]. 中国发明专利, 专利号 CN 110596094 B, 授权公告日 2017-06-08.
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