发明人郭海燕,冯建国,韩伟. "一种3-hydroxy-N,N-dimethylpyridine-2-carboxamide的合成方法" [P]. 中国发明专利, 专利号 CN 117222662 A, 授权公告日 2022-04-23.
发明人郭海燕,胡光,黄志刚. "Method for the Synthesis of 3-Hydroxy-N,N-dimethylpicolinamide" [P]. 中国发明专利, 专利号 CN 112891633 B, 授权公告日 2016-09-06.
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