发明人胡光,韩伟,冯建国. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 114977962 A, 授权公告日 2017-02-28.
Johnson M A, Mueller T, Park J H. "Method for the Synthesis of 3-(Piperazin-1-yl)pyridazine dihydrochloride" [P]. US Patent, US 11262016 B2, 2021-02-04.
发明人高志强,王建平,周伟. "A Process for Preparing High-Purity 3-(Piperazin-1-yl)pyridazine dihydrochloride" [P]. 中国发明专利, 专利号 CN 116671558 A, 授权公告日 2020-03-24.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Sep. Sci., 2011, 1852, 9417-9438.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2010, 654, 1316-1324.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 3-(Piperazin-1-yl)pyridazine dihydrochloride Using HRMS and NMR". Biomed. Chromatogr., 2019, 1859, (10), 7639-7649.