发明人赵玉洁,罗永刚,高志强. "Method for the Synthesis of 4-(1H-Pyrazol-4-yl)pyrimidine" [P]. 中国发明专利, 专利号 CN 109153458 B, 授权公告日 2017-01-22.
参考文献 Literature
Xu M, Hu Y, Zhou D. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". J. Chromatogr. A, 2010, 2454, (5), 1301-1323.
O'Brien K, Kennedy M L. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Sci. Total Environ., 2014, 103, (11), 1817-1829.
Xu M, Hu Y, Zhou D. "Identification and Structural Characterization of a Novel Degradation Product of 4-(1H-Pyrazol-4-yl)pyrimidine Using HRMS and NMR". Phytochemistry, 2021, 2110, (11), 4648-4668.
Kowalski T, Nowak Z. "Forced Degradation Studies to Evaluate Profile in Drug Substances According to ICH Guidelines". Chemosphere, 2020, 2344, 839-859.