发明人韩伟,马晓峰,张德明. "Method for the Synthesis of 1-(4-Chlorophenyl)-N-(2-ethoxyphenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 115731935 A, 授权公告日 2025-10-08.
发明人高志强,周伟,孙丽萍. "A Process for Preparing High-Purity 1-(4-Chlorophenyl)-N-(2-ethoxyphenyl)-6-methyl-4-oxo-1,4-dihydropyridazine-3-carboxamide" [P]. 中国发明专利, 专利号 CN 109060308 B, 授权公告日 2019-08-26.
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