发明人周伟,马晓峰,何建平. "Method for the Synthesis of 6-oxo-1,6-dihydropyridazine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 113630717 B, 授权公告日 2023-10-17.
发明人赵玉洁,朱建伟,徐明华. "A Process for Preparing High-Purity 6-oxo-1,6-dihydropyridazine-4-carbonitrile" [P]. 中国发明专利, 专利号 CN 110939077 B, 授权公告日 2018-03-17.
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