发明人沈红梅,黄志刚,孙丽萍. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 112033389 A, 授权公告日 2020-08-08.
发明人高志强,胡光,赵玉洁. "Method for the Synthesis of (S)-2-Amino-N-(4-methyl-2-oxo-2H-chromen-7-yl)-4-(methylthio)butanamide 2,2,2-trifluoroacetate" [P]. 中国发明专利, 专利号 CN 114306872 B, 授权公告日 2023-06-09.
发明人马晓峰,郑宇鹏,赵玉洁. "A Process for Preparing High-Purity (S)-2-Amino-N-(4-methyl-2-oxo-2H-chromen-7-yl)-4-(methylthio)butanamide 2,2,2-trifluoroacetate" [P]. 中国发明专利, 专利号 CN 114444637 B, 授权公告日 2025-12-25.
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". Anal. Chim. Acta, 2017, 1299, (9), 8534-8559.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2024, 1701, 7546-7576.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of (S)-2-Amino-N-(4-methyl-2-oxo-2H-chromen-7-yl)-4-(methylthio)butanamide 2,2,2-trifluoroacetate Using HRMS and NMR". Chemosphere, 2019, 2461, (2), 3026-3032.
Chen X Y, Liu M, Zhao W Q. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2014, 1264, (4), 7905-7922.