Rossi M, Nowak P, Johansson L. "一种的合成方法" [P]. European Patent, EP 3368873 A1, 2019-01-26.
发明人杨光,沈红梅,李文辉. "Method for the Synthesis of 2-(Cyclopropylmethyl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 113856736 A, 授权公告日 2020-10-04.
发明人郑宇鹏,陈志强,赵玉洁. "A Process for Preparing High-Purity 2-(Cyclopropylmethyl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 109833422 A, 授权公告日 2023-10-02.
参考文献 Literature
Lee J H, Choi Y S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2012, 2167, (11), 7919-7924.
Kumar A, Sharma P, Patel R S. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Chromatogr. A, 2017, 1035, (9), 129-151.
Chen X Y, Liu M, Zhao W Q. "Identification and Structural Characterization of a Novel Degradation Product of 2-(Cyclopropylmethyl)-3-oxo-2,3-dihydropyridazine-4-carboxylic acid Using HRMS and NMR". Talanta, 2021, 2173, (11), 3131-3152.