发明人郭海燕,周伟,钱学锋. "Method for the Synthesis of 6-(4-Aminophenyl)-5-methylpyridazin-3(2H)one" [P]. 中国发明专利, 专利号 CN 114766894 A, 授权公告日 2022-11-01.
发明人孙丽萍,赵玉洁,高志强. "A Process for Preparing High-Purity 6-(4-Aminophenyl)-5-methylpyridazin-3(2H)one" [P]. 中国发明专利, 专利号 CN 114238336 B, 授权公告日 2017-01-24.
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