Stevens L M, Johnson M A, Klinger H. "一种依非韦伦杂质19的合成方法" [P]. US Patent, US 11427732 B2, 2025-08-26.
Sørensen M, Martínez F, Kowalski A. "Method for the Synthesis of Efavirenz Impurity 19" [P]. European Patent, EP 3159822 A1, 2015-05-08.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of 依非韦伦杂质19 in Pharmaceutical Formulations". J. Chromatogr. A, 2021, 481, 2689-2695.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of 依非韦伦杂质19 as an Impurity". Anal. Chem., 2023, 477, 3794-3823.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of Efavirenz Impurity 19 Using HRMS and NMR". J. Pharm. Biomed. Anal., 2015, 713, (2), 3282-3286.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate 依非韦伦杂质19 Profile in Drug Substances According to ICH Guidelines". Phytochemistry, 2011, 970, 41-61.