3d image of umbellic acid skeletal formula

umbellic acid dihydroxycinnamic hydroxycinnamic caffeic isomer umbelliferone precursor biosynthesis phenylpropanoid l-phenylalanine shikimate pathway metabolite metabolism cycle mechanism path catabolism biosynthetic intermediate biogenesis substrate synthesis derivative bioprecursor metabolic enzyme endogenous contractor molecule molecular formula skeletal structural structure geometry ball stick 3d bioactive cell biochemistry biomolecule isolated white background model biological activity