Keywords: 3,4-Dihydroxymandelic acid.svg validSVG Skeletal formula of 3 4-dihydroxymandelic acid Created using http //www acdlabs com/download/chemsk html ACD/ChemSketch 10 0 http //www inkscape org Inkscape and http //www vim org vim Own 2008-05-23 Fvasconcellos Catechols Alpha hydroxy acids Intermediates Phenolic acids |