the ca2+ channel antagonistic potencies of tiamdipine [ 2- ( 2-aminoethylthio ) methyl-3-carboethoxy-5-carbomethoxy-6-m ethyl-4- ( 3- nitrophenyl ) -1,4-dihydropyridine ] and nifedipine [ 2,6-dimethyl-3,5-dicarbomethoxy-4- ( 2-nitrophenyl ) -1,4-dihydrop yri dine ] analogs bearing phenyl ring substituents were studied using pharmacologic and radioligand binding techniques .
C0012315
dihydropyridine
C0028066
nifedipine