发明人李文辉,刘建华,马晓峰. "Method for the Synthesis of 477762-43-9
8-{2-[(E)-(2-hydroxyphenyl)methylidene]hydrazino}quinolinium chloride
KS-000020OU" [P]. 中国发明专利, 专利号 CN 109804479 A, 授权公告日 2021-02-02.
发明人唐晓军,黄志刚,钱学锋. "A Process for Preparing High-Purity 477762-43-9
8-{2-[(E)-(2-hydroxyphenyl)methylidene]hydrazino}quinolinium chloride
KS-000020OU" [P]. 中国发明专利, 专利号 CN 108750920 B, 授权公告日 2025-03-25.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2016, 1020, 6761-6774.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2019, 385, (10), 2255-2272.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 477762-43-9
8-{2-[(E)-(2-hydroxyphenyl)methylidene]hydrazino}quinolinium chloride
KS-000020OU Using HRMS and NMR". Environ. Sci. Technol., 2017, 1297, (9), 5155-5166.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 1486, 3419-3427.