Mueller T C, Johansson L, Nowak P. "一种的合成方法" [P]. European Patent, EP 3968404 A1, 2019-08-19.
发明人张德明,罗永刚,李文辉. "Method for the Synthesis of 2-(Dimethylamino)-4-(4-methylpiperazin-1-yl)-6-oxo-6H-1,3-oxazine-5-carbonitrile" [P]. 中国发明专利, 专利号 CN 117561242 B, 授权公告日 2021-12-01.
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