发明人孙丽萍,刘建华,冯建国. "Method for the Synthesis of Topiroxostat Impurity 47" [P]. 中国发明专利, 专利号 CN 116832106 B, 授权公告日 2025-12-24.
发明人钱学锋,李文辉,何建平. "A Process for Preparing High-Purity Topiroxostat Impurity 47" [P]. 中国发明专利, 专利号 CN 108058490 B, 授权公告日 2018-12-19.
参考文献 Literature
Garcia M, Rodriguez P. "Development and Validation of an LC-MS/MS Method for the Determination of 托吡司特杂质47 in Pharmaceutical Formulations". Chromatographia, 2017, 1368, (2), 1893-1919.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of 托吡司特杂质47 as an Impurity". Chemosphere, 2018, 1130, 1648-1678.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Topiroxostat Impurity 47 Using HRMS and NMR". Anal. Methods, 2010, 2187, 7637-7647.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate 托吡司特杂质47 Profile in Drug Substances According to ICH Guidelines". Talanta, 2013, 1806, (1), 9206-9215.