发明人马晓峰,陈志强,张德明. "Method for the Synthesis of tert-Butyl 6-(methylsulfonyl)-2-azaspiro[3.3]heptane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 110888114 B, 授权公告日 2017-03-02.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2017, 2452, 7005-7013.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2011, 564, (2), 2652-2669.
Brown R C, Davis S M. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 6-(methylsulfonyl)-2-azaspiro[3.3]heptane-2-carboxylate Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 2455, (10), 2336-2356.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2011, 2228, (11), 2513-2539.