发明人杨光,刘建华,陈志强. "Method for the Synthesis of 3-Chloro-6-(methylsulfonyl)pyridazine" [P]. 中国发明专利, 专利号 CN 110097243 A, 授权公告日 2020-04-27.
发明人何建平,郭海燕,孙丽萍. "A Process for Preparing High-Purity 3-Chloro-6-(methylsulfonyl)pyridazine" [P]. 中国发明专利, 专利号 CN 112283982 B, 授权公告日 2022-12-01.
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