NS Abdelshafi, MA Sadik, MA Shoeib… - Arabian Journal of …, 2022 - Elsevier
Four pyridine-pyrimidine derivatives, namely pyridine-2, 6-diamine (PD), pyrimidine-2-amine
(PA), 6-amino-3, 4-dihydropyrimidine-2 (1H)-thione (ADT) and ethyl (R)-6-(4-chlorophenyl) …