BiomarkerOf umbelliferone sulfate FOBI:030527 LJOOSFYJELZGMR-UHFFFAOYSA-M FOBI:030527 InChI=1S/C9H6O6S/c10-9-4-2-6-1-3-7(5-8(6)14-9)15-16(11,12)13/h1-5H,(H,11,12,13)/p-1 Coumarins and derivatives plant fruit food product vegetable food product