beta-adrenergic agents cause a 2.5-3-fold stimulation of adenylate cyclase activity in rat ventral prostate membrane preparations with an order of potency ( kd values ) typical of a beta 2-subtype receptor : ( - ) isoproterenol ( 20 nm ) greater than ( - ) epinephrine ( 70 nm ) much greater than ( - ) norepinephrine ( 1 microm ) much greater than dopamine ( 70 microm ) .
C0014563
epinephrine
C0028351
norepinephrine