发明人李文辉,罗永刚,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 110449103 A, 授权公告日 2017-07-01.
发明人郭海燕,韩伟,马晓峰. "Method for the Synthesis of 4-Ethylpyridazin-3-amine" [P]. 中国发明专利, 专利号 CN 111145425 A, 授权公告日 2017-06-09.
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