发明人何建平,张德明,徐明华. "Method for the Synthesis of 7,7'-Bi[1,4]benzoxazino[2,3,4-kl]phenoxazine" [P]. 中国发明专利, 专利号 CN 114167865 A, 授权公告日 2021-01-26.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2019, 1603, (3), 1460-1465.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2013, 1738, 5452-5460.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 7,7'-Bi[1,4]benzoxazino[2,3,4-kl]phenoxazine Using HRMS and NMR". J. Sep. Sci., 2023, 638, (6), 3464-3490.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2023, 1696, (6), 846-863.