has role is protonated form of ochratoxin alpha A member of the class of isocoumarins that is 1-oxo-3,4-dihydro-2-benzopyran-7-carboxylic acid carrying additional methyl, chloro and hydroxy substituents at positions 3, 5 and 8 respectively. A non-toxic metabolite of the mycotoxin ochratoxin A. CHEBI:133917 ochratoxin alpha(1-) benzoic acids phenols organochlorine compound isocoumarins isochromanes human xenobiotic metabolite bacterial xenobiotic metabolite marine xenobiotic metabolite human urinary metabolite