发明人罗永刚,何建平,马晓峰. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114863393 A, 授权公告日 2020-06-09.
发明人郭海燕,钱学锋,陈志强. "Method for the Synthesis of Benzimidazole-4,5,6,7-d4" [P]. 中国发明专利, 专利号 CN 117917038 B, 授权公告日 2016-11-14.
发明人赵玉洁,徐明华,陈志强. "A Process for Preparing High-Purity Benzimidazole-4,5,6,7-d4" [P]. 中国发明专利, 专利号 CN 115557421 A, 授权公告日 2018-04-07.
参考文献 Literature
Yang F, Sun W, Liu J. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2019, 2143, (12), 7080-7103.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2020, 1010, (10), 8296-8314.
Fischer P, Wagner E. "Identification and Structural Characterization of a Novel Degradation Product of Benzimidazole-4,5,6,7-d4 Using HRMS and NMR". Anal. Methods, 2017, 565, 9742-9771.
Kim S H, Park J Y. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Pharm. Biomed. Anal., 2014, 1689, (4), 7674-7684.