发明人郭海燕,杨光,钱学锋. "Method for the Synthesis of 5-(Benzylamino)-4-chloropyridazin-3-ol" [P]. 中国发明专利, 专利号 CN 113533594 B, 授权公告日 2016-03-23.
发明人张德明,黄志刚,孙丽萍. "A Process for Preparing High-Purity 5-(Benzylamino)-4-chloropyridazin-3-ol" [P]. 中国发明专利, 专利号 CN 114923560 A, 授权公告日 2022-10-02.
参考文献 Literature
Hughes D, Roberts J, Thomas A. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Chromatographia, 2016, 1426, 6374-6379.
Wang L, Li J, Zhang H. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Environ. Sci. Technol., 2025, 780, 2685-2709.
Jensen P, Larsen A M, Olsen K. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Benzylamino)-4-chloropyridazin-3-ol Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2021, 973, 8620-8630.
Fischer P, Wagner E. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Agric. Food Chem., 2022, 201, (2), 2432-2447.