发明人钱学锋,朱建伟,张德明. "Method for the Synthesis of Memantine Impurity N2" [P]. 中国发明专利, 专利号 CN 115651693 A, 授权公告日 2017-08-01.
发明人刘建华,唐晓军,高志强. "A Process for Preparing High-Purity Memantine Impurity N2" [P]. 中国发明专利, 专利号 CN 116850883 A, 授权公告日 2018-04-03.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 美金刚杂质N2 in Pharmaceutical Formulations". J. Agric. Food Chem., 2022, 2081, (7), 2048-2063.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 美金刚杂质N2 as an Impurity". Anal. Chim. Acta, 2016, 1823, (9), 2733-2742.
Martinez C, Lopez D R. "Identification and Structural Characterization of a Novel Degradation Product of Memantine Impurity N2 Using HRMS and NMR". Anal. Methods, 2010, 761, 6782-6791.
Garcia M, Rodriguez P. "Forced Degradation Studies to Evaluate 美金刚杂质N2 Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 311, 6095-6125.