Sørensen M, Nielsen H, Jørgensen K. "一种的合成方法" [P]. European Patent, EP 3263527 A1, 2017-11-06.
发明人钱学锋,黄志刚,王建平. "Method for the Synthesis of 1-(4-Methoxyphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109482945 A, 授权公告日 2025-10-18.
发明人周伟,钱学锋,杨光. "A Process for Preparing High-Purity 1-(4-Methoxyphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113926529 A, 授权公告日 2022-01-18.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2019, 1748, 7694-7722.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2021, 390, 1537-1559.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 1-(4-Methoxyphenyl)-2-methyl-1H-benzimidazole-5-carboxylic acid Using HRMS and NMR". J. Agric. Food Chem., 2014, 740, 1576-1593.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2011, 871, 6569-6575.