Nowak P, Lefèvre J P, Schröder R. "一种的合成方法" [P]. European Patent, EP 3920331 A1, 2016-11-17.
Schröder R, Johansson L, Lefèvre J P. "Method for the Synthesis of 6-(5-Chlorothiophen-2-yl)pyridazin-3-ol" [P]. European Patent, EP 3472917 A1, 2025-12-15.
参考文献 Literature
Yamamoto K, Tanaka H, Suzuki T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Biomed. Chromatogr., 2011, 390, (7), 7336-7349.
Yang F, Sun W, Liu J. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Anal. Chim. Acta, 2017, 140, (12), 6219-6239.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 6-(5-Chlorothiophen-2-yl)pyridazin-3-ol Using HRMS and NMR". J. Nat. Prod., 2018, 685, (7), 7954-7974.