Williams B T, Anderson J P, Fischer A B. "一种的合成方法" [P]. US Patent, US 11931184 B2, 2019-12-19.
发明人罗永刚,郭海燕,沈红梅. "Method for the Synthesis of tert-Butyl 4-amino-1-azaspiro[5.5]undecane-1-carboxylate" [P]. 中国发明专利, 专利号 CN 111900262 B, 授权公告日 2021-11-23.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2014, 1250, 8941-8965.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2022, 361, 3825-3835.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 4-amino-1-azaspiro[5.5]undecane-1-carboxylate Using HRMS and NMR". Food Chem., 2025, 1504, (9), 2890-2899.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2020, 1670, (3), 2923-2935.