pressor effects of noradrenaline , phenylephrine and alpha-methylnoradrenaline and the inhibition of these effects by prazosin or yohimbine ( or both ) were studied in vivo in the renal , splenic , femoral , anterior mesenteric and internal carotid vascular beds of the dog .
C0028351
noradrenaline
C0025805
alpha-methylnoradrenaline