has role vanillylmandelic acid 3-methoxy-4-hydroxymandelic acid 2-hydroxy-2-(4-hydroxy-3-methoxyphenyl)acetic acid Vanilmandelic acid Vanillylmandelic acid KEGG:C05584 MetaCyc:VANILLYL_MANDELATE CHEBI:20106 An aromatic ether that is the 3-O-methyl ether of 3,4-dihydroxymandelic acid. Wikipedia:Vanillylmandelic_acid hydroxy(4-hydroxy-3-methoxyphenyl)acetic acid HMDB:HMDB0000291 vanillylmandelate phenols aromatic ether mandelic acid 2-hydroxy monocarboxylic acid human metabolite