Johnson M A, Chen K W, Kumar R. "Method for the Synthesis of (2,2-Dimethylpropyl)urea" [P]. US Patent, US 9835600 B2, 2017-10-21.
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". Environ. Sci. Technol., 2016, 669, (2), 8573-8603.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2019, 1328, (4), 7008-7028.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of (2,2-Dimethylpropyl)urea Using HRMS and NMR". Anal. Chem., 2010, 1547, 3934-3945.