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发明人钱学锋,杨光,李文辉. "A Process for Preparing High-Purity 1-(2-Methyl-5-(3-nitrophenyl)-1-phenyl-1H-pyrrol-3-yl)ethanone" [P]. 中国发明专利, 专利号 CN 114971524 A, 授权公告日 2021-06-26.
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