发明人郭海燕,周伟,李文辉. "Method for the Synthesis of 5-Chloro-6,7-difluoro-1H-benzo[d]imidazole" [P]. 中国发明专利, 专利号 CN 109838690 B, 授权公告日 2023-11-22.
参考文献 Literature
Kowalski T, Nowak Z. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chemosphere, 2012, 212, (11), 9586-9590.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2018, 1143, (9), 1517-1547.
Garcia M, Rodriguez P. "Identification and Structural Characterization of a Novel Degradation Product of 5-Chloro-6,7-difluoro-1H-benzo[d]imidazole Using HRMS and NMR". J. Chromatogr. A, 2016, 701, (10), 6042-6062.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Nat. Prod., 2015, 1026, (1), 6762-6765.