in the presence of an alpha-adrenoceptor blockade and inhibitors of neuronal and extraneuronal uptakes , the four catecholamines relaxed the vein fully , and the order of pd2 values was isp ( 8.34 ) greater than epi ( 7.53 ) approximately equal to ne ( 7.50 ) much greater than da ( 5.31 ) .
C0014563
epi
C0028351
ne