Stevens L M, Kumar R, Hughes D C. "Method for the Synthesis of 7-Benzyl-2,7-diazaspiro[4.4]nonan-3-one" [P]. US Patent, US 11418710 B2, 2021-05-25.
发明人高志强,韩伟,李文辉. "A Process for Preparing High-Purity 7-Benzyl-2,7-diazaspiro[4.4]nonan-3-one" [P]. 中国发明专利, 专利号 CN 108766890 A, 授权公告日 2022-02-17.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2019, 2366, 3432-3436.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 1597, (3), 4662-4690.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of 7-Benzyl-2,7-diazaspiro[4.4]nonan-3-one Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2010, 497, (8), 540-569.
Zhou X P, Huang L, Wu G. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2017, 2252, (8), 4913-4925.