Sørensen M, Schröder R, Johansson L. "Method for the Synthesis of (Z)-4-chloro-2-(((4-chlorophenyl)amino)methylene)-3-oxobutanenitrile" [P]. European Patent, EP 3839319 A1, 2020-06-09.
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". Chromatographia, 2011, 739, (7), 2456-2471.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2013, 1110, 1617-1642.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of (Z)-4-chloro-2-(((4-chlorophenyl)amino)methylene)-3-oxobutanenitrile Using HRMS and NMR". Biomed. Chromatogr., 2011, 1809, 957-963.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2020, 743, (6), 6312-6325.