Schröder R, Jørgensen K, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3221630 A1, 2019-09-20.
Johnson M A, Schröder R, Patel M V. "Method for the Synthesis of 4-(4,4-Dimethyl-2,5-dioxo-imidazolidin-1-yl)-butyric acid" [P]. US Patent, US 9617189 B2, 2020-06-09.
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". Sci. Total Environ., 2014, 1150, 983-990.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2017, 529, (12), 8576-8588.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 4-(4,4-Dimethyl-2,5-dioxo-imidazolidin-1-yl)-butyric acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 2052, 986-995.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2018, 1046, 2733-2752.