Mueller T C, Schröder R, Martínez F. "Method for the Synthesis of 2-(2'-Pyridyl)-3-oxo-3H-indole N-Oxide
2-(2-Pyridyl)-3H-indol-3-one N-Oxide
2-(2-Pyridyl)isatogen
2922-11-4" [P]. European Patent, EP 3108555 A1, 2017-11-21.
发明人沈红梅,张德明,刘建华. "A Process for Preparing High-Purity 2-(2'-Pyridyl)-3-oxo-3H-indole N-Oxide
2-(2-Pyridyl)-3H-indol-3-one N-Oxide
2-(2-Pyridyl)isatogen
2922-11-4" [P]. 中国发明专利, 专利号 CN 111572167 B, 授权公告日 2017-01-08.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Environ. Sci. Technol., 2025, 799, 8574-8589.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2019, 1051, (6), 1377-1403.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of 2-(2'-Pyridyl)-3-oxo-3H-indole N-Oxide
2-(2-Pyridyl)-3H-indol-3-one N-Oxide
2-(2-Pyridyl)isatogen
2922-11-4 Using HRMS and NMR". Food Chem., 2011, 2043, 5384-5395.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2016, 2068, 1231-1235.