发明人钱学锋,高志强,唐晓军. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 117008516 A, 授权公告日 2025-05-15.
发明人郑宇鹏,唐晓军,孙丽萍. "Method for the Synthesis of 2-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl-amino)-3-methylbutyric acid" [P]. 中国发明专利, 专利号 CN 115422080 B, 授权公告日 2025-12-18.
发明人钱学锋,马晓峰,林芳. "A Process for Preparing High-Purity 2-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl-amino)-3-methylbutyric acid" [P]. 中国发明专利, 专利号 CN 111287200 B, 授权公告日 2019-08-16.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Agric. Food Chem., 2018, 1631, (8), 8135-8146.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Pharm. Biomed. Anal., 2021, 2266, (2), 7646-7665.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1,1-Dioxo-tetrahydro-1lambda*6*-thiophen-3-yl-amino)-3-methylbutyric acid Using HRMS and NMR". Anal. Chem., 2025, 2092, 4869-4874.