the inhibitory effects of the ca2+ channel antagonists d-600 , diltiazem , nifedipine and seven 1,4-dihydropyridine analogs of nifedipine against 80 mm k+ depolarization induced responses in guinea pig trachea , parenchyma , and pulmonary artery and rat renal and mesenteric artery preparations were determined .
C0012315
dihydropyridine
C0028066
nifedipine