发明人钱学锋,郑宇鹏,刘建华. "Method for the Synthesis of 2-(1H-benzo[d]imidazol-2-yl)-4,5-dichloropyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 108383296 A, 授权公告日 2022-11-16.
发明人周伟,林芳,何建平. "A Process for Preparing High-Purity 2-(1H-benzo[d]imidazol-2-yl)-4,5-dichloropyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 115779436 B, 授权公告日 2018-11-20.
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