发明人胡光,郑宇鹏,刘建华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111292418 A, 授权公告日 2015-10-21.
发明人钱学锋,杨光,唐晓军. "Method for the Synthesis of 2-Oxospiro[3.5]Nonane-7-carboxylic acid" [P]. 中国发明专利, 专利号 CN 116038062 B, 授权公告日 2018-03-02.
Thompson G K, Lee S K, Fischer A B. "A Process for Preparing High-Purity 2-Oxospiro[3.5]Nonane-7-carboxylic acid" [P]. US Patent, US 9404600 B2, 2021-06-19.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2025, 530, (11), 3028-3035.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2019, 1850, (4), 142-145.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 2-Oxospiro[3.5]Nonane-7-carboxylic acid Using HRMS and NMR". Food Chem., 2022, 1818, 2419-2427.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2013, 317, 6201-6215.