发明人周伟,高志强,李文辉. "Method for the Synthesis of 4-Bromo-5-chloro-2,3-dihydropyridazin-3-one" [P]. 中国发明专利, 专利号 CN 112119484 B, 授权公告日 2017-04-15.
发明人马晓峰,高志强,王建平. "A Process for Preparing High-Purity 4-Bromo-5-chloro-2,3-dihydropyridazin-3-one" [P]. 中国发明专利, 专利号 CN 114452189 A, 授权公告日 2016-12-21.
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