发明人钱学锋,唐晓军,赵玉洁. "Method for the Synthesis of Tramadol Impurity 2" [P]. 中国发明专利, 专利号 CN 113033953 A, 授权公告日 2016-10-17.
Mueller T, Stevens L M, Williams B T. "A Process for Preparing High-Purity Tramadol Impurity 2" [P]. US Patent, US 10061759 B2, 2017-05-22.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of Tramadol Impurity2 in Pharmaceutical Formulations". Sci. Total Environ., 2015, 740, 5158-5169.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of Tramadol Impurity2 as an Impurity". Anal. Methods, 2022, 348, (9), 8268-8290.
Kumar A, Sharma P, Patel R S. "Identification and Structural Characterization of a Novel Degradation Product of Tramadol Impurity 2 Using HRMS and NMR". Chemosphere, 2022, 2392, (7), 4164-4186.