发明人徐明华,林芳,钱学锋. "Method for the Synthesis of 2-Thia-7-azaspiro[4.4]nonane hydrochloride" [P]. 中国发明专利, 专利号 CN 113137785 A, 授权公告日 2024-07-15.
Jørgensen K, Nielsen H, Kowalski A. "A Process for Preparing High-Purity 2-Thia-7-azaspiro[4.4]nonane hydrochloride" [P]. European Patent, EP 3745264 A1, 2022-02-21.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2012, 749, (11), 8273-8278.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2024, 1269, (12), 4344-4354.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 2-Thia-7-azaspiro[4.4]nonane hydrochloride Using HRMS and NMR". Phytochemistry, 2021, 2292, (10), 8068-8091.