Patel M V, Anderson J P, Yamamoto T. "一种的合成方法" [P]. US Patent, US 10276952 B2, 2016-08-01.
Klinger H, Park J H, Fischer A B. "Method for the Synthesis of Methyl 6-(piperazin-1-yl)pyridazine-3-carboxylate dihydrochloride" [P]. US Patent, US 11204612 B2, 2017-01-10.
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". Anal. Chim. Acta, 2010, 232, (12), 9430-9450.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Biomed. Chromatogr., 2012, 1920, (3), 662-673.
Yang F, Sun W, Liu J. "Identification and Structural Characterization of a Novel Degradation Product of Methyl 6-(piperazin-1-yl)pyridazine-3-carboxylate dihydrochloride Using HRMS and NMR". Talanta, 2020, 2370, (3), 3023-3052.
Lee J H, Choi Y S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Methods, 2016, 2357, (12), 349-355.