发明人王建平,郑宇鹏,陈志强. "Method for the Synthesis of [4-[2-[[(3-Ethyl-d5-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 110104550 B, 授权公告日 2016-03-23.
发明人钱学锋,高志强,赵玉洁. "A Process for Preparing High-Purity [4-[2-[[(3-Ethyl-d5-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 116296976 A, 授权公告日 2022-12-16.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2023, 851, (10), 1650-1667.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2019, 1243, (11), 2079-2082.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of [4-[2-[[(3-Ethyl-d5-2,5-dihydro-4-methyl-2-oxo-1H-pyrrol-1-yl)carbonyl]amino]ethyl]phenyl]sulfonyl]carbamic Acid Ethyl Ester Using HRMS and NMR". Talanta, 2015, 664, (5), 9241-9255.
Smith J A, Johnson M B. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2021, 2198, (5), 4675-4702.