at concentrations higher than those needed to inhibit kcl-induced contractions , flunarizine inhibited the contractile responses evoked by alpha 2-adrenergic agonists ( b-ht 920 , xylazine ) , partial ( st-587 ) and full ( cirazoline , phenylephrine ) alpha 1-adrenergic agonists and the combined alpha 1-/alpha 2-adrenergic agonist , norepinephrine .
C0031469
phenylephrine
C1373109
alpha