发明人韩伟,胡光,郭海燕. "Method for the Synthesis of 4-Ethoxypyridazine" [P]. 中国发明专利, 专利号 CN 109889878 A, 授权公告日 2024-10-26.
发明人赵玉洁,马晓峰,林芳. "A Process for Preparing High-Purity 4-Ethoxypyridazine" [P]. 中国发明专利, 专利号 CN 115529398 B, 授权公告日 2021-01-22.
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