Martínez F, Nowak P, Sørensen M. "Method for the Synthesis of Methyl 4-(4-(1-aminoethyl)-2-methoxy-5-nitrophenoxy)butanoate hydrochloride" [P]. European Patent, EP 3852597 A1, 2022-05-23.
Sørensen M, Martínez F, Lefèvre J P. "A Process for Preparing High-Purity Methyl 4-(4-(1-aminoethyl)-2-methoxy-5-nitrophenoxy)butanoate hydrochloride" [P]. European Patent, EP 3095248 A1, 2022-03-21.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2015, 621, 6726-6743.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2017, 2475, 4105-4123.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4-(4-(1-aminoethyl)-2-methoxy-5-nitrophenoxy)butanoate hydrochloride Using HRMS and NMR". J. Chromatogr. A, 2015, 1522, (1), 4479-4504.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2015, 483, 2976-3003.