发明人何建平,朱建伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 111923743 A, 授权公告日 2017-02-02.
发明人陈志强,钱学锋,孙丽萍. "Method for the Synthesis of 2,6-Diazaspiro[3.3]heptane-2-carboxylic acid, 6-(phenylmethyl)-, 1,1-dimethylethyl ester" [P]. 中国发明专利, 专利号 CN 111531377 B, 授权公告日 2016-01-06.
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, 2017, 2186, (6), 4541-4552.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2020, 930, 6738-6743.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 2,6-Diazaspiro[3.3]heptane-2-carboxylic acid, 6-(phenylmethyl)-, 1,1-dimethylethyl ester Using HRMS and NMR". Environ. Sci. Technol., 2022, 1885, (5), 5679-5706.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2019, 989, (6), 4912-4933.