1,2,4-Benzenetriol 1,2,4-Trihydroxybenzene 1,3,4-Trihydroxybenzene 2,5-Dihydroxyphenol 533-73-3 Benzene-1,2,4-triol Hydroquinone, hydroxy- Hydroxyhydroquinone Hydroxyquinol NSC2818 WLN: QR BQ DQ