Anderson J P, Thompson G K, Hughes D C. "一种的合成方法" [P]. US Patent, US 11978876 B2, 2017-01-04.
发明人沈红梅,韩伟,黄志刚. "Method for the Synthesis of tert-Butyl 7,9-dioxo-2,6-diazaspiro[3.5]nonane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110930532 B, 授权公告日 2018-08-18.
Lefèvre J P, Martínez F, Jørgensen K. "A Process for Preparing High-Purity tert-Butyl 7,9-dioxo-2,6-diazaspiro[3.5]nonane-2-carboxylate" [P]. European Patent, EP 3215794 A1, 2018-02-24.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Chim. Acta, 2020, 873, (11), 6298-6327.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2021, 133, 2758-2783.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 7,9-dioxo-2,6-diazaspiro[3.5]nonane-2-carboxylate Using HRMS and NMR". J. Pharm. Biomed. Anal., 2025, 848, 4774-4799.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2022, 967, 3284-3291.