发明人徐明华,李文辉,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 115572442 A, 授权公告日 2017-03-06.
Jørgensen K, Sørensen M, Schröder R. "Method for the Synthesis of 5-Azaspiro[2.4]Heptane-7-carbonitrile" [P]. European Patent, EP 3290756 A1, 2021-03-11.
发明人林芳,钱学锋,何建平. "A Process for Preparing High-Purity 5-Azaspiro[2.4]Heptane-7-carbonitrile" [P]. 中国发明专利, 专利号 CN 110590385 A, 授权公告日 2018-12-20.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2013, 2158, 2761-2773.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 605, (6), 7414-7444.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of 5-Azaspiro[2.4]Heptane-7-carbonitrile Using HRMS and NMR". J. Chromatogr. A, 2010, 1621, (9), 9232-9236.