the alpha 2-adrenergic agonists , clonidine and uk-14,304 , mimicked the effect of ne , with effective concentrations providing 50 % maximal delta isc of 2.0 x 10 ( -7 ) and 9.0 x 10 ( -8 ) m , respectively .
C1373110
alpha 2-adrenergic agonists
C0009014
clonidine