Johnson M A, Stevens L M, Patel M V. "一种的合成方法" [P]. US Patent, US 9984922 B2, 2025-12-08.
发明人黄志刚,王建平,高志强. "Method for the Synthesis of 2-Azaspiro[3.5]nonane" [P]. 中国发明专利, 专利号 CN 116144445 B, 授权公告日 2021-08-17.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2011, 388, (11), 4776-4787.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2010, 813, (10), 7543-7565.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Azaspiro[3.5]nonane Using HRMS and NMR". Chromatographia, 2017, 2145, (9), 5900-5905.