Kowalski A, Schröder R, Martínez F. "一种的合成方法" [P]. European Patent, EP 3901690 A1, 2021-12-25.
发明人赵玉洁,刘建华,罗永刚. "Method for the Synthesis of N-[β-Hydroxy-β-(4-hydroxyphenyl)ethyl] Ractopamine (Mixture of Diastereomers)" [P]. 中国发明专利, 专利号 CN 115743841 A, 授权公告日 2019-03-19.
发明人罗永刚,沈红梅,李文辉. "A Process for Preparing High-Purity N-[β-Hydroxy-β-(4-hydroxyphenyl)ethyl] Ractopamine (Mixture of Diastereomers)" [P]. 中国发明专利, 专利号 CN 115959743 A, 授权公告日 2015-05-28.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2015, 1343, (2), 4556-4573.
Fischer P, Wagner E. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2018, 2390, (12), 5225-5254.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of N-[β-Hydroxy-β-(4-hydroxyphenyl)ethyl] Ractopamine (Mixture of Diastereomers) Using HRMS and NMR". Anal. Chem., 2011, 1941, 9818-9833.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2021, 2071, 6482-6499.