3 this binding was specific and the order of potency of adrenoceptor agonists in competing for the binding sites was ( - ) -isoproterenol greater than ( +/- ) -isoproternol greater than ( + ) -isoproterenol greater than ( - ) -adrenaline greater than ( - ) -noradrenaline .
C0014563
adrenaline
C0028351
noradrenaline