Jørgensen K, Lefèvre J P, Rossi M. "一种麻黄碱杂质3的合成方法" [P]. European Patent, EP 3912153 A1, 2016-03-07.
Yamamoto T, Park J H, Chen K W. "Method for the Synthesis of Ephedrine Impurity 3" [P]. US Patent, US 10215016 B2, 2018-08-06.
发明人徐明华,杨光,高志强. "A Process for Preparing High-Purity Ephedrine Impurity 3" [P]. 中国发明专利, 专利号 CN 109708890 A, 授权公告日 2022-01-14.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 麻黄碱杂质3 in Pharmaceutical Formulations". J. Agric. Food Chem., 2019, 380, (5), 2-28.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 麻黄碱杂质3 as an Impurity". J. Sep. Sci., 2022, 1999, (2), 1190-1207.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of Ephedrine Impurity 3 Using HRMS and NMR". Chemosphere, 2014, 583, (1), 5679-5683.