Jørgensen K, Björnsson E, Schröder R. "一种的合成方法" [P]. European Patent, EP 3845470 A1, 2022-01-02.
发明人罗永刚,黄志刚,沈红梅. "Method for the Synthesis of 7-Chloro-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 109208117 B, 授权公告日 2021-01-22.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Rapid Commun. Mass Spectrom., 2019, 322, (11), 5944-5972.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 2181, (11), 3967-3980.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of 7-Chloro-2-methyl-2H-benzo[b][1,4]oxazin-3(4H)-one Using HRMS and NMR". Food Chem., 2021, 947, (6), 1165-1178.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2024, 2237, 7440-7466.