发明人朱建伟,冯建国,刘建华. "Method for the Synthesis of Clemastine Impurity 26" [P]. 中国发明专利, 专利号 CN 108638868 A, 授权公告日 2018-10-17.
发明人郑宇鹏,沈红梅,罗永刚. "A Process for Preparing High-Purity Clemastine Impurity 26" [P]. 中国发明专利, 专利号 CN 115373455 A, 授权公告日 2019-10-28.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 氯马斯汀杂质26 in Pharmaceutical Formulations". Anal. Methods, 2019, 131, (11), 8104-8113.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of 氯马斯汀杂质26 as an Impurity". Chemosphere, 2022, 1931, (11), 9934-9959.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of Clemastine Impurity 26 Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2017, 1102, (6), 6539-6548.