Johnson M A, Kumar R, Schröder R. "一种的合成方法" [P]. US Patent, US 9943054 B2, 2022-10-02.
Johansson L, Lefèvre J P, Mueller T C. "Method for the Synthesis of 1-(Piperidin-2-ylmethyl)urea" [P]. European Patent, EP 3244051 A1, 2018-05-15.
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". Anal. Chem., 2013, 1996, 2071-2101.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2017, 1028, (12), 3311-3329.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 1-(Piperidin-2-ylmethyl)urea Using HRMS and NMR". J. Chromatogr. A, 2011, 2382, (1), 4076-4105.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Food Chem., 2010, 1620, 6566-6580.