发明人沈红梅,罗永刚,郑宇鹏. "Method for the Synthesis of N-(2,3,5,6-Tetramethylphenylsulfonyl)-DL-alanine" [P]. 中国发明专利, 专利号 CN 108426521 A, 授权公告日 2025-03-18.
发明人沈红梅,刘建华,韩伟. "A Process for Preparing High-Purity N-(2,3,5,6-Tetramethylphenylsulfonyl)-DL-alanine" [P]. 中国发明专利, 专利号 CN 114405915 A, 授权公告日 2022-06-23.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2022, 2452, 8385-8410.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2016, 569, (3), 477-494.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of N-(2,3,5,6-Tetramethylphenylsulfonyl)-DL-alanine Using HRMS and NMR". Biomed. Chromatogr., 2023, 2051, (2), 4407-4433.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 2382, (3), 5349-5362.