SYNTHESIS AND CALCIUM ANTAGONIST ACTIVITY OF DIALKYL 1,4-DIHYDRO-2,6-DIMETHYL-4-(NITROGENOUS HETEROARYL)-3,5-PYRIDINE DICARBOXYLATES
A new series of 4-(nitrogenous heteroaryl)-1,4-dihydropyridine antagonist II - XVI were synthesized and screened for inotropic, chronotropic and calcium antagonist properties, in order to evaluate the effect on pharmacological activity of replacement of t