Schröder R, Martínez F, Nowak P. "Method for the Synthesis of 2-(n-(3,4-Dimethylphenyl)methylsulfonamido)butanoic acid" [P]. European Patent, EP 3182845 A1, 2021-12-14.
发明人王建平,张德明,罗永刚. "A Process for Preparing High-Purity 2-(n-(3,4-Dimethylphenyl)methylsulfonamido)butanoic acid" [P]. 中国发明专利, 专利号 CN 114831714 A, 授权公告日 2020-01-24.
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". Biomed. Chromatogr., 2021, 603, 8171-8187.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Chromatographia, 2023, 830, (7), 4992-5002.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 2-(n-(3,4-Dimethylphenyl)methylsulfonamido)butanoic acid Using HRMS and NMR". Anal. Chim. Acta, 2022, 2353, (12), 4022-4031.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2011, 604, (9), 7830-7842.