发明人沈红梅,钱学锋,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109605177 A, 授权公告日 2018-11-24.
发明人唐晓军,刘建华,赵玉洁. "Method for the Synthesis of Ethyl (4aS,8aR)-2-thioxooctahydro-1,6-naphthyridine-6(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 109627116 A, 授权公告日 2022-01-24.
发明人马晓峰,林芳,罗永刚. "A Process for Preparing High-Purity Ethyl (4aS,8aR)-2-thioxooctahydro-1,6-naphthyridine-6(2H)-carboxylate" [P]. 中国发明专利, 专利号 CN 111221556 B, 授权公告日 2016-02-18.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2023, 875, 9746-9764.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2012, 2207, (4), 7909-7937.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl (4aS,8aR)-2-thioxooctahydro-1,6-naphthyridine-6(2H)-carboxylate Using HRMS and NMR". J. Chromatogr. A, 2025, 1777, 2048-2056.