allosteric coupling between benzothiazepine and dihydropyridine receptors is manifested in cardiac muscle since the negative inotropic potency of diltiazem is increased by nitrendipine and decreased by 4- ( o-trifluromethy ( phenyl ) -2,6-dimethyl-5-nitro-1,4-dihydropyridin e-3- carboxylic acid , methyl ester .
C0007066
carboxylic acid
C0014898
ester