发明人冯建国,唐晓军,张德明. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 109451022 A, 授权公告日 2020-06-22.
发明人徐明华,陈志强,杨光. "Method for the Synthesis of 1-Ethyl-2-methyl-1H-benzo[d]imidazol-5-ol" [P]. 中国发明专利, 专利号 CN 113990389 A, 授权公告日 2017-12-03.
发明人胡光,赵玉洁,陈志强. "A Process for Preparing High-Purity 1-Ethyl-2-methyl-1H-benzo[d]imidazol-5-ol" [P]. 中国发明专利, 专利号 CN 108906199 A, 授权公告日 2015-05-25.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2013, 98, 9751-9760.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Molecules, 2014, 879, 8393-8418.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-2-methyl-1H-benzo[d]imidazol-5-ol Using HRMS and NMR". Anal. Methods, 2018, 370, 7917-7929.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2014, 984, (11), 3324-3334.