Johansson L, Nielsen H, Kowalski A. "一种的合成方法" [P]. European Patent, EP 3568538 A1, 2024-04-20.
发明人何建平,胡光,沈红梅. "Method for the Synthesis of 4-Nitroso-3,4-dihydro-2H-benzo[b][1,4]oxazine" [P]. 中国发明专利, 专利号 CN 116918451 B, 授权公告日 2021-02-12.
发明人沈红梅,郑宇鹏,黄志刚. "A Process for Preparing High-Purity 4-Nitroso-3,4-dihydro-2H-benzo[b][1,4]oxazine" [P]. 中国发明专利, 专利号 CN 117795793 B, 授权公告日 2021-05-13.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2020, 763, (6), 2887-2913.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2025, 2137, (12), 8-32.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 4-Nitroso-3,4-dihydro-2H-benzo[b][1,4]oxazine Using HRMS and NMR". Anal. Chim. Acta, 2013, 2277, 4401-4426.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2022, 167, (8), 7888-7893.