发明人王建平,周伟,罗永刚. "Method for the Synthesis of Epinastine Impurity 12" [P]. 中国发明专利, 专利号 CN 114596513 B, 授权公告日 2019-01-27.
发明人王建平,马晓峰,赵玉洁. "A Process for Preparing High-Purity Epinastine Impurity 12" [P]. 中国发明专利, 专利号 CN 115962070 B, 授权公告日 2017-10-17.
参考文献 Literature
Jensen P, Larsen A M, Olsen K. "Development and Validation of an LC-MS/MS Method for the Determination of Epinastine Impurity12 in Pharmaceutical Formulations". Anal. Chim. Acta, 2025, 1824, (12), 3664-3675.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of Epinastine Impurity12 as an Impurity". Anal. Methods, 2020, 2174, 5061-5071.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Epinastine Impurity 12 Using HRMS and NMR". Chromatographia, 2020, 1797, (2), 7365-7375.
Jensen P, Larsen A M, Olsen K. "Forced Degradation Studies to Evaluate Epinastine Impurity12 Profile in Drug Substances According to ICH Guidelines". Environ. Sci. Technol., 2019, 1587, (12), 9022-9041.