May Joda Kareem 2022. Synthesis, Spectroscopic Study and Biological Activity of new Bidentate Schiff Base (4-(Dimethylamino) Benzylidene)-5-(3,4,5-Trimethoxybenzyl)-5 Pyrimidine-2,4-Diamine) and Transition Metal Mn(II), Ni(II) and Cu(II) Complexes. Pakistan Journal of Medical & Health Sciences. 16, 05 (Jun. 2022), 655. DOI:https://doi.org/10.53350/pjmhs22165655.