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发明人罗永刚,林芳,沈红梅. "Method for the Synthesis of Ethyl 6-Methylpyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 109915679 A, 授权公告日 2024-05-18.
发明人郭海燕,赵玉洁,冯建国. "A Process for Preparing High-Purity Ethyl 6-Methylpyridazine-3-carboxylate" [P]. 中国发明专利, 专利号 CN 108938893 B, 授权公告日 2021-07-06.
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