发明人何建平,周伟,钱学锋. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113800065 A, 授权公告日 2015-08-15.
发明人马晓峰,徐明华,黄志刚. "Method for the Synthesis of Tert-butyl 7-oxa-2,10-diazaspiro[4.6]undecane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 109731886 B, 授权公告日 2018-06-21.
发明人刘建华,李文辉,张德明. "A Process for Preparing High-Purity Tert-butyl 7-oxa-2,10-diazaspiro[4.6]undecane-2-carboxylate" [P]. 中国发明专利, 专利号 CN 114370058 A, 授权公告日 2015-03-11.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2023, 1559, (7), 8077-8103.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2018, 1959, (5), 9138-9159.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of Tert-butyl 7-oxa-2,10-diazaspiro[4.6]undecane-2-carboxylate Using HRMS and NMR". J. Sep. Sci., 2020, 558, (5), 5759-5777.