发明人王建平,唐晓军,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116154050 A, 授权公告日 2022-05-18.
Chen K W, Thompson G K, Mueller T. "Method for the Synthesis of 2-(1,1-Dioxo-2,3-dihydro-1H-1lambda*6*-thiophen-3-ylamino)-3-methyl-butyric acid" [P]. US Patent, US 11633967 B2, 2017-02-19.
发明人徐明华,郑宇鹏,胡光. "A Process for Preparing High-Purity 2-(1,1-Dioxo-2,3-dihydro-1H-1lambda*6*-thiophen-3-ylamino)-3-methyl-butyric acid" [P]. 中国发明专利, 专利号 CN 110625578 A, 授权公告日 2019-04-16.
参考文献 Literature
Martinez C, Lopez D R. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2010, 237, (11), 7797-7813.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2012, 1873, (5), 9345-9355.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of 2-(1,1-Dioxo-2,3-dihydro-1H-1lambda*6*-thiophen-3-ylamino)-3-methyl-butyric acid Using HRMS and NMR". Anal. Methods, 2013, 110, 9389-9394.