发明人李文辉,黄志刚,马晓峰. "Method for the Synthesis of tert-Butyl 1,6-diazaspiro[3.3]heptane-6-carboxylate oxalate(2:1)" [P]. 中国发明专利, 专利号 CN 114530311 A, 授权公告日 2021-07-08.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2016, 612, (6), 6762-6776.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2015, 1365, 8014-8032.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of tert-Butyl 1,6-diazaspiro[3.3]heptane-6-carboxylate oxalate(2:1) Using HRMS and NMR". J. Agric. Food Chem., 2021, 711, (11), 6403-6416.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Chromatogr. A, 2023, 661, (5), 6575-6584.