Sepehri, Saghi, et al. “Hantzsch-Type Dihydropyridines and Biginelli-Type Tetra-Hydropyrimidines: A Review of Their Chemotherapeutic Activities”. Journal of Pharmacy & Pharmaceutical Sciences, vol. 18, no. 1, Jan. 2015, pp. 1-52, doi:10.18433/J3Q01V.