Chen K W, Roberts E F, Patel M V. "Method for the Synthesis of Methyl 2-azaspiro[4.5]decane-4-carboxylate hydrochloride" [P]. US Patent, US 10857222 B2, 2015-10-20.
Lefèvre J P, Kowalski A, Mueller T C. "A Process for Preparing High-Purity Methyl 2-azaspiro[4.5]decane-4-carboxylate hydrochloride" [P]. European Patent, EP 3725035 A1, 2024-07-14.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2012, 744, 7575-7602.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 644, (5), 7958-7978.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 2-azaspiro[4.5]decane-4-carboxylate hydrochloride Using HRMS and NMR". Chemosphere, 2014, 905, 4474-4493.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2013, 830, 9285-9306.