Yamamoto T, Park J H, Davis P L. "一种的合成方法" [P]. US Patent, US 11218406 B2, 2024-01-28.
Johansson L, Björnsson E, Martínez F. "Method for the Synthesis of Emorfazone Impurity 4" [P]. European Patent, EP 3578249 A1, 2023-12-14.
Lefèvre J P, Sørensen M, Rossi M. "A Process for Preparing High-Purity Emorfazone Impurity 4" [P]. European Patent, EP 3291724 A1, 2023-08-16.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Molecules, 2019, 792, (7), 2148-2168.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2010, 1734, (6), 2350-2379.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Emorfazone Impurity 4 Using HRMS and NMR". Anal. Methods, 2015, 136, 32-43.