Thompson G K, Fischer A B, O'Brien P Q. "一种的合成方法" [P]. US Patent, US 11975656 B2, 2025-08-10.
发明人钱学锋,陈志强,林芳. "Method for the Synthesis of 4-[[4-(4-Morpholinylsulfonyl)phenyl]amino]-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 108109654 A, 授权公告日 2016-05-19.
发明人唐晓军,韩伟,陈志强. "A Process for Preparing High-Purity 4-[[4-(4-Morpholinylsulfonyl)phenyl]amino]-4-oxobutanoic acid" [P]. 中国发明专利, 专利号 CN 113817764 A, 授权公告日 2020-01-08.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2012, 1794, (1), 5299-5322.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 1925, 4527-4546.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 4-[[4-(4-Morpholinylsulfonyl)phenyl]amino]-4-oxobutanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2013, 167, (11), 6840-6843.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2021, 1821, (4), 1587-1611.