Martínez F, Nowak P, Kowalski A. "Method for the Synthesis of 3-(4-Fluorophenyl)-4-((4-hydroxy-3-methoxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione" [P]. European Patent, EP 3871301 A1, 2020-12-10.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2011, 2152, (9), 324-328.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2014, 2476, (11), 4966-4993.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 3-(4-Fluorophenyl)-4-((4-hydroxy-3-methoxybenzylidene)amino)-1H-1,2,4-triazole-5(4H)-thione Using HRMS and NMR". Phytochemistry, 2015, 424, (7), 7174-7196.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2018, 1760, 2128-2132.