uk-14304 greater than ( - ) -noradrenaline = ( - ) -adrenaline greater than b-ht 920 = cirazoline greater than phenylephrine greater than amidephrine , but the rank order of pa2 values for the antagonists against ( - ) -noradrenaline : bdf-6143 greater than rauwolscine = prazosin greater than ch-38083 = ym-12617 greater than wy-26703 = phentolamine greater than corynanthine , is indicative of a mixed population of alpha 1- and alpha 2-adrenoceptors or , alternatively , a new subtype with characteristics of both the alpha 1- and alpha 2-subtypes .
C0014563
adrenaline
C0028351
noradrenaline