发明人张德明,黄志刚,钱学锋. "Method for the Synthesis of 4,5-Dichloro-2-(4-chlorophenyl)pyridazin-3-one" [P]. 中国发明专利, 专利号 CN 117874490 B, 授权公告日 2025-02-19.
发明人徐明华,黄志刚,林芳. "A Process for Preparing High-Purity 4,5-Dichloro-2-(4-chlorophenyl)pyridazin-3-one" [P]. 中国发明专利, 专利号 CN 112372218 A, 授权公告日 2019-05-25.
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