发明人周伟,李文辉,高志强. "Method for the Synthesis of 2-(4,5-Dichloro-6-oxopyridazin-1(6H)-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 108948888 B, 授权公告日 2020-04-14.
发明人刘建华,黄志刚,张德明. "A Process for Preparing High-Purity 2-(4,5-Dichloro-6-oxopyridazin-1(6H)-yl)acetonitrile" [P]. 中国发明专利, 专利号 CN 112205212 A, 授权公告日 2020-12-20.
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