Williams B T, Johnson M A, Fischer A B. "一种的合成方法" [P]. US Patent, US 10647085 B2, 2025-07-09.
发明人孙丽萍,王建平,郑宇鹏. "Method for the Synthesis of 4-[(Methylamino)sulfonyl]butanoic acid" [P]. 中国发明专利, 专利号 CN 117491357 A, 授权公告日 2019-09-15.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 471, 352-363.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Sep. Sci., 2013, 888, 2587-2590.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of 4-[(Methylamino)sulfonyl]butanoic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2010, 1560, (5), 6676-6698.
Yang F, Sun W, Liu J. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2011, 1567, (11), 4804-4811.