Hughes D C, Chen K W, Mueller T. "一种的合成方法" [P]. US Patent, US 11690032 B2, 2018-05-02.
Nowak P, Lefèvre J P, Rossi M. "Method for the Synthesis of 6-(3-Amino-4-methylphenyl)pyridazin-3-ol" [P]. European Patent, EP 3686700 A1, 2020-03-07.
发明人沈红梅,郭海燕,周伟. "A Process for Preparing High-Purity 6-(3-Amino-4-methylphenyl)pyridazin-3-ol" [P]. 中国发明专利, 专利号 CN 116418372 A, 授权公告日 2022-02-22.
参考文献 Literature
Smith J A, Johnson M B. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Sci. Total Environ., 2011, 1082, (6), 4513-4520.
Brown R C, Davis S M. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Agric. Food Chem., 2013, 1826, 3485-3497.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-(3-Amino-4-methylphenyl)pyridazin-3-ol Using HRMS and NMR". Biomed. Chromatogr., 2010, 973, 4601-4617.
Yamamoto K, Tanaka H, Suzuki T. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". J. Sep. Sci., 2011, 230, 5728-5755.