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发明人钱学锋,徐明华,沈红梅. "A Process for Preparing High-Purity 5-(3,4-Dichlorobenzylidene)-2-thioxo-3-(p-tolyl)imidazolidin-4-one" [P]. 中国发明专利, 专利号 CN 112966476 B, 授权公告日 2019-08-18.
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