Park J H, O'Brien P Q, Roberts E F. "一种的合成方法" [P]. US Patent, US 9354823 B2, 2019-11-10.
Sørensen M, Björnsson E, Schröder R. "Method for the Synthesis of Tert-butyl 5-amino-3-oxo-2,9-diazaspiro[5.5]Undecane-9-carboxylate" [P]. European Patent, EP 3027840 A1, 2023-08-14.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2024, 357, 3825-3834.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chemosphere, 2014, 2475, 6908-6914.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 5-amino-3-oxo-2,9-diazaspiro[5.5]Undecane-9-carboxylate Using HRMS and NMR". Molecules, 2011, 679, 796-806.