发明人沈红梅,林芳,何建平. "一种左卡尼汀杂质N6的合成方法" [P]. 中国发明专利, 专利号 CN 110633627 A, 授权公告日 2017-05-02.
Patel M V, Mueller T, Schröder R. "Method for the Synthesis of Levocarnitine Impurity N6" [P]. US Patent, US 10183420 B2, 2015-12-22.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of 左卡尼汀杂质N6 in Pharmaceutical Formulations". Sci. Total Environ., 2015, 1174, (3), 6311-6338.
Chen X Y, Liu M, Zhao W Q. "A Stability-Indicating HPLC Method for the Separation and Quantification of 左卡尼汀杂质N6 as an Impurity". Chromatographia, 2011, 97, (6), 2924-2954.
Zhang Y, Li Q, Chen T. "Identification and Structural Characterization of a Novel Degradation Product of Levocarnitine Impurity N6 Using HRMS and NMR". Biomed. Chromatogr., 2015, 2342, (4), 3450-3473.
Brown R C, Davis S M. "Forced Degradation Studies to Evaluate 左卡尼汀杂质N6 Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2025, 783, (5), 9267-9289.