发明人韩伟,李文辉,唐晓军. "一种6-(异丁基氨基)哒嗪-3-甲酸的合成方法" [P]. 中国发明专利, 专利号 CN 109191737 A, 授权公告日 2020-07-02.
发明人周伟,孙丽萍,李文辉. "Method for the Synthesis of 6-(Isobutylamino)pyridazine-3-carboxylic Acid" [P]. 中国发明专利, 专利号 CN 109990442 A, 授权公告日 2025-11-16.
Fischer A B, Lee S K, Chen K W. "A Process for Preparing High-Purity 6-(Isobutylamino)pyridazine-3-carboxylic Acid" [P]. US Patent, US 10076270 B2, 2019-11-23.
参考文献 Literature
Kim S H, Park J Y. "Development and Validation of an LC-MS/MS Method for the Determination of 6-(异丁基氨基)哒嗪-3-甲酸 in Pharmaceutical Formulations". Environ. Sci. Technol., 2021, 1233, 7031-7034.
Jensen P, Larsen A M, Olsen K. "A Stability-Indicating HPLC Method for the Separation and Quantification of 6-(异丁基氨基)哒嗪-3-甲酸 as an Impurity". J. Nat. Prod., 2017, 844, (4), 7452-7479.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 6-(Isobutylamino)pyridazine-3-carboxylic Acid Using HRMS and NMR". Rapid Commun. Mass Spectrom., 2022, 1372, (3), 5985-6001.
Zhang Y, Li Q, Chen T. "Forced Degradation Studies to Evaluate 6-(异丁基氨基)哒嗪-3-甲酸 Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2021, 1605, (10), 8968-8990.