发明人林芳,高志强,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108057884 A, 授权公告日 2019-12-18.
Anderson J P, Lee S K, Roberts E F. "Method for the Synthesis of Tert-butyl5-methyl-2,6-diazaspiro[3.4]octane-2-carboxylate" [P]. US Patent, US 11327376 B2, 2020-03-17.
Sørensen M, Mueller T C, Jørgensen K. "A Process for Preparing High-Purity Tert-butyl5-methyl-2,6-diazaspiro[3.4]octane-2-carboxylate" [P]. European Patent, EP 3658549 A1, 2016-06-10.
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". Biomed. Chromatogr., 2013, 108, (9), 3620-3640.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2011, 1431, (7), 9114-9123.