adrenergic compounds showed a rank order of potency of prazosin greater than ( - ) epinephrine greater than or equal to ( - ) norepinephrine greater than or equal to yohimbine greater than clonidine against the binding of 5 nm [ 3h ] dhe to euthyroid and hypothyroid cells .
C0014563
epinephrine
C0028351
norepinephrine