发明人胡光,黄志刚,杨光. "一种的合成方法" [P]. 中国发明专利, 专利号 CN 116788984 A, 授权公告日 2023-07-09.
Williams B T, Schröder R, Patel M V. "Method for the Synthesis of 5,6-Dimethyl-3-(piperazin-1-yl)pyridazine-4-carboxamide" [P]. US Patent, US 9539270 B2, 2018-06-17.
发明人钱学锋,孙丽萍,黄志刚. "A Process for Preparing High-Purity 5,6-Dimethyl-3-(piperazin-1-yl)pyridazine-4-carboxamide" [P]. 中国发明专利, 专利号 CN 114770494 B, 授权公告日 2020-01-15.
参考文献 Literature
Fischer P, Wagner E. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 1555, (7), 9197-9208.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Phytochemistry, 2015, 604, (7), 8360-8365.
Zhou X P, Huang L, Wu G. "Identification and Structural Characterization of a Novel Degradation Product of 5,6-Dimethyl-3-(piperazin-1-yl)pyridazine-4-carboxamide Using HRMS and NMR". Environ. Sci. Technol., 2020, 2282, 8338-8346.
Xu M, Hu Y, Zhou D. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Anal. Chem., 2016, 190, 2187-2202.