Björnsson E, Martínez F, Schröder R. "一种的合成方法" [P]. European Patent, EP 3901846 A1, 2020-12-18.
Jørgensen K, Kowalski A, Nielsen H. "Method for the Synthesis of 2-[4-ethyl-4-(4-ethylphenyl)-2,5-dioxoimidazolidin-1-yl]acetic acid" [P]. European Patent, EP 3867341 A1, 2023-12-07.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2018, 439, (5), 1484-1511.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2012, 1531, (2), 6597-6600.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-[4-ethyl-4-(4-ethylphenyl)-2,5-dioxoimidazolidin-1-yl]acetic acid Using HRMS and NMR". Anal. Chem., 2013, 1227, 4420-4436.