Klinger H, Mueller T, Lee S K. "Method for the Synthesis of 2-Cyano-2-(5-fluoropyridin-2-yl)acetic acid" [P]. US Patent, US 9257629 B2, 2020-11-23.
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". Molecules, 2012, 570, (11), 561-577.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2015, 1057, (2), 1692-1717.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 2-Cyano-2-(5-fluoropyridin-2-yl)acetic acid Using HRMS and NMR". Talanta, 2016, 2251, (2), 9422-9426.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2010, 2377, 1365-1378.