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发明人刘建华,张德明,李文辉. "A Process for Preparing High-Purity 2-Amino-6-(4-chlorophenyl)-4-(4-methoxyphenyl)-5-methylpyridine-3-carbonitrile" [P]. 中国发明专利, 专利号 CN 116781402 B, 授权公告日 2019-03-27.
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