发明人朱建伟,李文辉,王建平. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109762358 A, 授权公告日 2022-04-11.
发明人冯建国,韩伟,罗永刚. "Method for the Synthesis of 5-Chloro-1H-pyrido[3,4-b][1,4]oxazin-2(3H)-one" [P]. 中国发明专利, 专利号 CN 110930390 A, 授权公告日 2025-02-10.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2015, 177, (7), 2576-2584.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2021, 2082, 1298-1318.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-1H-pyrido[3,4-b][1,4]oxazin-2(3H)-one Using HRMS and NMR". Molecules, 2017, 307, (11), 5233-5256.