Patel M V, Kumar R, Klinger H. "一种的合成方法" [P]. US Patent, US 11981105 B2, 2022-09-12.
发明人胡光,唐晓军,赵玉洁. "Method for the Synthesis of 6-(tert-Butoxycarbonyl)-6-azaspiro[3.5]nonane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 117711323 B, 授权公告日 2025-12-24.
发明人钱学锋,罗永刚,沈红梅. "A Process for Preparing High-Purity 6-(tert-Butoxycarbonyl)-6-azaspiro[3.5]nonane-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113573718 A, 授权公告日 2023-10-14.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2015, 1007, (3), 770-780.
Garcia M, Rodriguez P. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 2350, (1), 4059-4062.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of 6-(tert-Butoxycarbonyl)-6-azaspiro[3.5]nonane-2-carboxylic acid Using HRMS and NMR". Talanta, 2012, 1416, 9418-9441.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2010, 233, 7322-7326.