发明人黄志刚,冯建国,周伟. "Method for the Synthesis of Hydroxyzine Impurity 2 Dimaleate (Etodroxizine Dimaleate)" [P]. 中国发明专利, 专利号 CN 109090866 B, 授权公告日 2024-09-13.
Martínez F, Jørgensen K, Mueller T C. "A Process for Preparing High-Purity Hydroxyzine Impurity 2 Dimaleate (Etodroxizine Dimaleate)" [P]. European Patent, EP 3770897 A1, 2019-02-14.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of Hydroxyzine Impurity2二马来酸酯(二马来酸乙托西嗪) in Pharmaceutical Formulations". J. Nat. Prod., 2018, 1259, 1593-1621.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of Hydroxyzine Impurity2二马来酸酯(二马来酸乙托西嗪) as an Impurity". J. Agric. Food Chem., 2021, 2156, 4389-4412.
Kowalski T, Nowak Z. "Identification and Structural Characterization of a Novel Degradation Product of Hydroxyzine Impurity 2 Dimaleate (Etodroxizine Dimaleate) Using HRMS and NMR". Sci. Total Environ., 2018, 1032, 2658-2687.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Hydroxyzine Impurity2二马来酸酯(二马来酸乙托西嗪) Profile in Drug Substances According to ICH Guidelines". Molecules, 2014, 2470, (7), 6769-6779.