发明人罗永刚,马晓峰,林芳. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 113973876 A, 授权公告日 2018-10-12.
发明人何建平,高志强,李文辉. "Method for the Synthesis of 1-Ethyl-5-fluoro-1H-benzo[d]imidazol-2(3H)-one" [P]. 中国发明专利, 专利号 CN 108634035 A, 授权公告日 2021-07-09.
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". Anal. Chem., 2011, 1358, 652-660.
Lee J H, Choi Y S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2015, 1378, (6), 3273-3284.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 1-Ethyl-5-fluoro-1H-benzo[d]imidazol-2(3H)-one Using HRMS and NMR". Phytochemistry, 2020, 2018, 9836-9861.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Biomed. Chromatogr., 2011, 1112, 3686-3700.