发明人李文辉,林芳,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116552027 A, 授权公告日 2024-09-11.
发明人钱学锋,杨光,胡光. "Method for the Synthesis of (1S,3R,6S)-4-oxo-5-azaspiro[2.4]Heptane-1,6-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 114451956 B, 授权公告日 2020-06-05.
发明人黄志刚,周伟,唐晓军. "A Process for Preparing High-Purity (1S,3R,6S)-4-oxo-5-azaspiro[2.4]Heptane-1,6-dicarboxylic acid" [P]. 中国发明专利, 专利号 CN 115066139 B, 授权公告日 2024-11-15.
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". Anal. Chem., 2022, 1968, (11), 1470-1483.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2025, 1106, (8), 2889-2893.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of (1S,3R,6S)-4-oxo-5-azaspiro[2.4]Heptane-1,6-dicarboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2020, 2457, 6810-6829.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Talanta, 2021, 522, (8), 4666-4670.