Mueller T, Davis P L, Brown S R. "Method for the Synthesis of Azelastine Impurity 16" [P]. US Patent, US 9112730 B2, 2024-06-18.
发明人李文辉,王建平,林芳. "A Process for Preparing High-Purity Azelastine Impurity 16" [P]. 中国发明专利, 专利号 CN 115373256 B, 授权公告日 2025-08-17.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2023, 1085, 4080-4103.
Mueller T, Schmidt R K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2013, 2443, (8), 1459-1468.
Wang L, Li J, Zhang H. "Identification and Structural Characterization of a Novel Degradation Product of Azelastine Impurity 16 Using HRMS and NMR". Molecules, 2023, 1231, (6), 1877-1887.