Schröder R, Johansson L, Nielsen H. "一种的合成方法" [P]. European Patent, EP 3561401 A1, 2017-08-03.
Roberts E F, Lee S K, Kumar R. "Method for the Synthesis of 5-(Pyridazin-3-yl)nicotinonitrile" [P]. US Patent, US 10767280 B2, 2021-07-11.
参考文献 Literature
O'Brien K, Kennedy M L. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Pharm. Biomed. Anal., 2010, 2436, 9592-9609.
Hughes D, Roberts J, Thomas A. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Food Chem., 2018, 697, (9), 8530-8544.
Kim S H, Park J Y. "Identification and Structural Characterization of a Novel Degradation Product of 5-(Pyridazin-3-yl)nicotinonitrile Using HRMS and NMR". J. Sep. Sci., 2023, 1354, 3126-3139.