发明人钱学锋,罗永刚,唐晓军. "一种茶苯海明杂质N4的合成方法" [P]. 中国发明专利, 专利号 CN 113969785 A, 授权公告日 2016-05-25.
Sørensen M, Johansson L, Björnsson E. "Method for the Synthesis of Dimenhydrinate Impurity N4" [P]. European Patent, EP 3059378 A1, 2020-06-05.
发明人杨光,何建平,赵玉洁. "A Process for Preparing High-Purity Dimenhydrinate Impurity N4" [P]. 中国发明专利, 专利号 CN 117513991 A, 授权公告日 2016-11-08.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of 茶苯海明杂质N4 in Pharmaceutical Formulations". Biomed. Chromatogr., 2010, 1032, (10), 2829-2847.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of 茶苯海明杂质N4 as an Impurity". Chemosphere, 2022, 1092, (10), 5149-5152.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of Dimenhydrinate Impurity N4 Using HRMS and NMR". Anal. Methods, 2022, 2118, (1), 5888-5910.