Park J H, Williams B T, Hughes D C. "一种的合成方法" [P]. US Patent, US 10705593 B2, 2022-12-15.
发明人赵玉洁,冯建国,胡光. "Method for the Synthesis of 3-Ethylpyridazine-4-carboxylic acid" [P]. 中国发明专利, 专利号 CN 110355949 A, 授权公告日 2018-07-28.
参考文献 Literature
Mueller T, Schmidt R K. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Talanta, 2013, 1936, 9930-9935.
Smith J A, Johnson M B. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". J. Nat. Prod., 2010, 1134, (9), 3719-3738.
Yamamoto K, Tanaka H, Suzuki T. "Identification and Structural Characterization of a Novel Degradation Product of 3-Ethylpyridazine-4-carboxylic acid Using HRMS and NMR". Molecules, 2017, 1090, (1), 5961-5965.
Kumar A, Sharma P, Patel R S. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Rapid Commun. Mass Spectrom., 2012, 440, 1487-1492.