发明人罗永刚,孙丽萍,林芳. "Method for the Synthesis of 6-Chloropyridazine-3-carboxylic acid dihydrochloride" [P]. 中国发明专利, 专利号 CN 114329410 B, 授权公告日 2016-12-18.
Fischer A B, Davis P L, Patel M V. "A Process for Preparing High-Purity 6-Chloropyridazine-3-carboxylic acid dihydrochloride" [P]. US Patent, US 9976792 B2, 2021-08-01.
参考文献 Literature
Zhang Y, Li Q, Chen T. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2021, 1448, (4), 5865-5879.
Zhang Y, Li Q, Chen T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Talanta, 2011, 2097, (10), 1104-1114.
Mueller T, Schmidt R K. "Identification and Structural Characterization of a Novel Degradation Product of 6-Chloropyridazine-3-carboxylic acid dihydrochloride Using HRMS and NMR". J. Nat. Prod., 2012, 2246, 908-930.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2011, 1034, (2), 8922-8945.