Anderson J P, Yamamoto T, Roberts E F. "一种Diclofenac Impurity20的合成方法" [P]. US Patent, US 11665118 B2, 2015-07-12.
Brown S R, Chen K W, Anderson J P. "Method for the Synthesis of Diclofenac Impurity 20" [P]. US Patent, US 9490411 B2, 2022-02-20.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of Diclofenac Impurity20 in Pharmaceutical Formulations". Molecules, 2024, 2033, (7), 2091-2096.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of Diclofenac Impurity20 as an Impurity". Anal. Chim. Acta, 2016, 1289, 5401-5409.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of Diclofenac Impurity 20 Using HRMS and NMR". J. Nat. Prod., 2016, 859, 1505-1521.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Diclofenac Impurity20 Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2025, 531, (2), 7800-7823.