Park J H, Davis P L, Thompson G K. "一种双氯芬酸杂质9的合成方法" [P]. US Patent, US 11125189 B2, 2015-11-22.
Klinger H, Kumar R, Williams B T. "Method for the Synthesis of Diclofenac impurity 9" [P]. US Patent, US 9575137 B2, 2024-01-28.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 双氯芬酸杂质9 in Pharmaceutical Formulations". J. Agric. Food Chem., 2017, 2099, (7), 3364-3387.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of 双氯芬酸杂质9 as an Impurity". Rapid Commun. Mass Spectrom., 2024, 1041, 5131-5161.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Diclofenac impurity 9 Using HRMS and NMR". Anal. Chim. Acta, 2011, 2168, 8168-8192.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate 双氯芬酸杂质9 Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2018, 2109, (5), 787-806.