Bakhotmah, Dina, and Fatimah Alotaibi. “Synthesis and Pharmacological Evaluation of New Fluorine Substituted pyrimido[1,2-b][1,2,4]triazines and [1,3,5]-Triazino-[1,2-b][1,2,4]triazines Derived As CDK2 Potential Inhibitors”. European Journal of Chemistry, vol. 11, no. 3, Sept. 2020, pp. 198-05, doi:10.5155/eurjchem.11.3.198-205.1988.