the elimination of neuronal uptake by cocaine , 4 x 10 ( -6 ) m , enhanced predominantly the effects of noradrenaline ( by a factor of 7.5 ) , whereas block of catechol-o-methyl transferase ( comt ) by u-0521 , 10 ( -4 ) m , only enhanced those of adrenaline ( by a factor of 2.6 ) and block of beta-adrenoceptors by propranolol , 5 x 10 ( -7 ) m , enhanced those of isoprenaline ( by a factor of 3 ) and adrenaline ( by a factor of 1.8 ) .
C0028351
noradrenaline
C0014563
adrenaline