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发明人冯建国,杨光,高志强. "A Process for Preparing High-Purity 2-Amino-1-(2-cyanophenyl)-4,5-dimethyl-1H-pyrrole-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 112382244 A, 授权公告日 2016-02-20.
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