发明人郑宇鹏,唐晓军,胡光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114257727 A, 授权公告日 2017-10-20.
O'Brien P Q, Stevens L M, Thompson G K. "Method for the Synthesis of 1-Ethyl-1H-benzimidazole-2-carboxylic acid" [P]. US Patent, US 9494628 B2, 2025-09-15.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2020, 789, (10), 5755-5772.
Kim S H, Park J Y. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2016, 670, 5923-5940.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-1H-benzimidazole-2-carboxylic acid Using HRMS and NMR". J. Pharm. Biomed. Anal., 2023, 671, 3015-3041.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2024, 2426, 1706-1734.