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发明人赵玉洁,马晓峰,高志强. "A Process for Preparing High-Purity 4-({[(3Z)-2-oxo-1-(pyrimidin-2-yl)pyrrolidin-3-ylidene]methyl}amino)benzonitrile" [P]. 中国发明专利, 专利号 CN 109936832 B, 授权公告日 2016-02-07.
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