has role is tautomer of independent continuant 3,5,6-trichloro-2-pyridinol CHEBI:143794 A hydroxypyridine that is pyridin-2-ol substituted by chloro groups at positions 3,5 and 6. It is a metabolite of the agrochemical chlorpyrifos. hydroxypyridine chloropyridine human xenobiotic metabolite 3,5,6-trichloropyridine-2-one human urinary metabolite