the adrenaline beta-receptor blocking drug , pronethalol , and the sympathomimetic amines , ( - ) -ephedrine , ( - ) -amphetamine , dexamphetamine , ( - ) -psi-ephedrine and tyramine , inhibited the sympathomimetic effects of butyrylcholine and tyramine on the guinea-pig isolated atrium .
C0002658
amphetamine
C0011812
dexamphetamine