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发明人徐明华,陈志强,黄志刚. "A Process for Preparing High-Purity 3-[(4-Methoxyphenyl)sulfanyl]-6-phenylpyridazine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 111646267 A, 授权公告日 2020-04-08.
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