发明人高志强,唐晓军,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117687837 A, 授权公告日 2015-01-06.
发明人郭海燕,李文辉,陈志强. "Method for the Synthesis of methyl 2-cyano-8-methoxy-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylate" [P]. 中国发明专利, 专利号 CN 108207060 A, 授权公告日 2023-12-07.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2010, 937, (12), 5816-5828.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2016, 1402, (9), 1950-1961.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of methyl 2-cyano-8-methoxy-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylate Using HRMS and NMR". Anal. Chim. Acta, 2024, 1460, 2518-2540.