a method was developed for the simultaneous determination of dopamine ( da ) , epinephrine ( e ) , norepinephrine ( ne ) , 3,4-dihydroxyphenylacetic acid ( dopac ) and 3-methoxy-4-hydroxyphenylglycol ( mhpg ) , as well as l-3,4-dihydroxyphenylalanine ( l-dopa ) with liquid chromatography ( lc ) using electrochemical ( ec ) detection .
C0014563
epinephrine
C0028351
norepinephrine