发明人林芳,赵玉洁,徐明华. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112455286 A, 授权公告日 2023-03-22.
发明人唐晓军,沈红梅,钱学锋. "Method for the Synthesis of (2R-3S-4S-5R-6S)-3-4-5-Trihydroxy-2-hydroxymethyl-7-9-diaza-1-oxa-spiro[4-5]decane-10-one-8-thione" [P]. 中国发明专利, 专利号 CN 111269943 A, 授权公告日 2024-11-28.
发明人刘建华,张德明,周伟. "A Process for Preparing High-Purity (2R-3S-4S-5R-6S)-3-4-5-Trihydroxy-2-hydroxymethyl-7-9-diaza-1-oxa-spiro[4-5]decane-10-one-8-thione" [P]. 中国发明专利, 专利号 CN 112081411 A, 授权公告日 2025-11-15.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2014, 2009, (9), 1769-1782.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2011, 1832, (5), 6519-6533.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (2R-3S-4S-5R-6S)-3-4-5-Trihydroxy-2-hydroxymethyl-7-9-diaza-1-oxa-spiro[4-5]decane-10-one-8-thione Using HRMS and NMR". J. Chromatogr. A, 2013, 2459, (4), 5222-5229.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2017, 1767, (8), 3646-3652.