发明人杨光,黄志刚,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115675908 A, 授权公告日 2015-09-20.
发明人孙丽萍,冯建国,赵玉洁. "Method for the Synthesis of 6-CHloro-1h-pyrido[2,3-b][1,4]oxazin-2-ol" [P]. 中国发明专利, 专利号 CN 117407643 B, 授权公告日 2016-12-11.
发明人高志强,郭海燕,陈志强. "A Process for Preparing High-Purity 6-CHloro-1h-pyrido[2,3-b][1,4]oxazin-2-ol" [P]. 中国发明专利, 专利号 CN 109352510 A, 授权公告日 2019-02-27.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2019, 470, (6), 2888-2894.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2010, 865, (11), 1807-1827.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of 6-CHloro-1h-pyrido[2,3-b][1,4]oxazin-2-ol Using HRMS and NMR". Biomed. Chromatogr., 2022, 1661, 8957-8985.