Stevens L M, Lee S K, Anderson J P. "一种的合成方法" [P]. US Patent, US 9618926 B2, 2021-11-04.
Anderson J P, Williams B T, Patel M V. "Method for the Synthesis of 7-Fluoro-5-azaspiro[2.4]heptane" [P]. US Patent, US 11140134 B2, 2017-01-03.
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". Rapid Commun. Mass Spectrom., 2016, 1307, (2), 1739-1744.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2014, 1145, (12), 5763-5792.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 7-Fluoro-5-azaspiro[2.4]heptane Using HRMS and NMR". J. Chromatogr. A, 2013, 1670, 368-382.