Anderson J P, Thompson G K, Kumar R. "Method for the Synthesis of α,α-Dimethyl-4-(4-morpholinyl)benzeneacetic Acid" [P]. US Patent, US 9153095 B2, 2021-04-01.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chem., 2011, 1688, (2), 5294-5303.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2017, 1411, 2115-2143.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of α,α-Dimethyl-4-(4-morpholinyl)benzeneacetic Acid Using HRMS and NMR". Anal. Chim. Acta, 2012, 729, 381-411.
Mueller T, Schmidt R K. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2014, 708, 9108-9114.