nicardipine , a new 1,4-dihydropyridine calcium-entry blocker , was assessed for cardiovascular effects against nifedipine and verapamil in anesthetized open-chest beagle dogs , in the absence and presence of beta-adrenoceptor blockade ( propranolol 1 mg/kg i.v . ) .
C0012315
dihydropyridine
C0028066
nifedipine