in the presence of cocaine 30 microm , unlabelled noradrenaline , alpha-methylnoradrenaline , clonidine , oxymetazoline , xylazine and guanabenz decreased , whereas yohimbine , corynanthine , phentolamine , tolazoline and azapetine increased the stimulation-evoked overflow of tritium .
C0028351
noradrenaline
C0025805
alpha-methylnoradrenaline