发明人郭海燕,王建平,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114856965 A, 授权公告日 2022-02-21.
Fischer A B, Yamamoto T, Roberts E F. "Method for the Synthesis of 7-Hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. US Patent, US 10564756 B2, 2025-03-04.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2013, 789, 6300-6325.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 1349, 3253-3258.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 7-Hydroxy-2H-benzo[b][1,4]oxazin-3(4H)-one Using HRMS and NMR". Phytochemistry, 2010, 1141, (11), 2191-2221.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2019, 97, 3018-3026.