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发明人郭海燕,徐明华,沈红梅. "Method for the Synthesis of 4-((5-Chloro-6-oxo-1-(3-(trifluoromethyl)phenyl)-1,6-dihydropyridazin-4-yl)oxy)-3-methoxybenzaldehyde" [P]. 中国发明专利, 专利号 CN 112997659 B, 授权公告日 2017-01-27.
发明人孙丽萍,马晓峰,杨光. "A Process for Preparing High-Purity 4-((5-Chloro-6-oxo-1-(3-(trifluoromethyl)phenyl)-1,6-dihydropyridazin-4-yl)oxy)-3-methoxybenzaldehyde" [P]. 中国发明专利, 专利号 CN 110797208 B, 授权公告日 2020-04-03.
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