Thompson G K, Roberts E F, Patel M V. "一种的合成方法" [P]. US Patent, US 9800022 B2, 2025-04-28.
Kowalski A, Martínez F, Rossi M. "Method for the Synthesis of 6,9-Diaza-spiro[4.5]decane-6-carboxylic acid tert-butyl ester hydrochloride" [P]. European Patent, EP 3342126 A1, 2016-09-21.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 1635, (4), 9183-9189.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2013, 1615, (1), 762-780.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 6,9-Diaza-spiro[4.5]decane-6-carboxylic acid tert-butyl ester hydrochloride Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1586, (9), 3939-3943.