in initial studies conducted in the presence of uptake1 blocker desipramine ( 10 ( -6 ) m ) and uptake 2 blocker , normetanephrine ( 10 ( -5 ) m ) there was an apparent uncoupling of the influence of yohimbine on nerve-stimulated contractile response from norepinephrine overflow .
C0028385
normetanephrine
C0028351
norepinephrine