发明人高志强,罗永刚,冯建国. "Method for the Synthesis of Ethyl 1-(4-aminopyridin-2-yl)-1H-pyrazole-4-carboxylate" [P]. 中国发明专利, 专利号 CN 115296031 A, 授权公告日 2016-03-09.
参考文献 Literature
Brown R C, Davis S M. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Anal. Methods, 2017, 2121, (10), 9902-9913.
Martinez C, Lopez D R. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2021, 931, (10), 4328-4340.
Lee J H, Choi Y S. "Identification and Structural Characterization of a Novel Degradation Product of Ethyl 1-(4-aminopyridin-2-yl)-1H-pyrazole-4-carboxylate Using HRMS and NMR". J. Nat. Prod., 2018, 1349, 7231-7248.
O'Brien K, Kennedy M L. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Molecules, 2020, 296, 7775-7780.