发明人王建平,何建平,罗永刚. "Method for the Synthesis of Tetrabenazine Impurity 44" [P]. 中国发明专利, 专利号 CN 109608296 B, 授权公告日 2018-08-01.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of 丁苯那嗪杂质44 in Pharmaceutical Formulations". J. Chromatogr. A, 2024, 1405, 2981-3001.
Kowalski T, Nowak Z. "A Stability-Indicating HPLC Method for the Separation and Quantification of 丁苯那嗪杂质44 as an Impurity". Chromatographia, 2024, 1038, 4112-4124.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Tetrabenazine Impurity 44 Using HRMS and NMR". Chemosphere, 2010, 2135, (4), 123-149.
Hughes D, Roberts J, Thomas A. "Forced Degradation Studies to Evaluate 丁苯那嗪杂质44 Profile in Drug Substances According to ICH Guidelines". Sci. Total Environ., 2023, 2281, 200-211.