发明人杨光,胡光,陈志强. "Method for the Synthesis of 5-Ethoxypyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 116914806 A, 授权公告日 2023-11-22.
发明人马晓峰,沈红梅,韩伟. "A Process for Preparing High-Purity 5-Ethoxypyridazin-3(2H)-one" [P]. 中国发明专利, 专利号 CN 109368001 B, 授权公告日 2025-06-19.
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