the noradrenaline metabolites , 3,4-dihydroxy-mandelic acid and 3,4-dihydroxy-phenylglycol potentiate accumulation and reduce intracellular levels of normetanephrine in a similar manner to known inhibitors of catechol-o-methyl transferase.4 .
C0028351
noradrenaline
C0028385
normetanephrine