Fischer A B, Klinger H, Thompson G K. "一种沙格雷酯杂质28的合成方法" [P]. US Patent, US 9766373 B2, 2022-10-26.
Brown S R, O'Brien P Q, Johnson M A. "Method for the Synthesis of Sarpogrelate Impurity 28" [P]. US Patent, US 10802333 B2, 2023-04-16.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of 沙格雷酯杂质28 in Pharmaceutical Formulations". Food Chem., 2014, 487, (6), 3113-3132.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 沙格雷酯杂质28 as an Impurity". J. Pharm. Biomed. Anal., 2017, 308, 5006-5032.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of Sarpogrelate Impurity 28 Using HRMS and NMR". J. Nat. Prod., 2023, 1639, (6), 6354-6378.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate 沙格雷酯杂质28 Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2015, 427, 8152-8163.