Rahman, M. M., Hossain, M. L., Rahman, A. K. M. L., & Reza, A. F. G. M. (2026). Efficient synthesis of structurally diverse polysubstituted non-fused pyrimidines (NFPs) and their derivatives via four-component reaction (4-CRs) protocols. Brazilian Journal of Science, 5(10), 72–94. https://doi.org/10.14295/bjs.v5i10.909