发明人杨光,孙丽萍,何建平. "Method for the Synthesis of Methyl 4'-[[2-n-Propyl-4-methyl-6-(1-methylbenzimidazol-2-yl)-benzimidazol-1-yl]methyl]biphenyl-2-carboxylate-d3" [P]. 中国发明专利, 专利号 CN 115909345 B, 授权公告日 2023-03-13.
发明人刘建华,郑宇鹏,徐明华. "A Process for Preparing High-Purity Methyl 4'-[[2-n-Propyl-4-methyl-6-(1-methylbenzimidazol-2-yl)-benzimidazol-1-yl]methyl]biphenyl-2-carboxylate-d3" [P]. 中国发明专利, 专利号 CN 116679135 B, 授权公告日 2019-08-07.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Food Chem., 2014, 1918, 6152-6159.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Methods, 2015, 290, (7), 6637-6656.
Hughes D, Roberts J, Thomas A. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 4'-[[2-n-Propyl-4-methyl-6-(1-methylbenzimidazol-2-yl)-benzimidazol-1-yl]methyl]biphenyl-2-carboxylate-d3 Using HRMS and NMR". Chromatographia, 2021, 1662, (4), 1404-1409.
Martinez C, Lopez D R. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2019, 1183, (2), 3487-3514.