发明人陈志强,罗永刚,钱学锋. "Method for the Synthesis of 2-Butyl-4-chloro-5-((4-methylbenzyl)oxy)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 117325708 B, 授权公告日 2017-07-12.
发明人何建平,朱建伟,李文辉. "A Process for Preparing High-Purity 2-Butyl-4-chloro-5-((4-methylbenzyl)oxy)pyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 109525112 B, 授权公告日 2016-06-25.
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