发明人刘建华,胡光,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 108769631 A, 授权公告日 2023-05-02.
发明人徐明华,刘建华,高志强. "Method for the Synthesis of 5,6-difluoro-1H-1,3-benzodiazole-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 108413823 A, 授权公告日 2024-04-04.
发明人钱学锋,周伟,王建平. "A Process for Preparing High-Purity 5,6-difluoro-1H-1,3-benzodiazole-2-carbaldehyde" [P]. 中国发明专利, 专利号 CN 108930739 B, 授权公告日 2020-06-03.
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". Biomed. Chromatogr., 2022, 2217, 5131-5152.
Zhou X P, Huang L, Wu G. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2014, 333, (2), 4371-4396.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-difluoro-1H-1,3-benzodiazole-2-carbaldehyde Using HRMS and NMR". Molecules, 2014, 2363, (2), 8028-8041.
Wang L, Li J, Zhang H. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2019, 2146, 1544-1556.