dopamine2-(3,4-Dihydroxyphenyl)ethylamine2-(3,4-dihydroxyphenyl)ethylamine3,4-Dihydroxyphenethylamine3-Hydroxytyramine4-(2-Aminoethyl)-1,2-benzenediol4-(2-Aminoethyl)benzene-1,2-diol4-(2-aminoethyl)-1,2-benzenediol4-(2-aminoethyl)catechol4-(2-aminoethyl)pyrocatecholDeoxyepinephrineDopamineHydroxytyramin