1,2-Benzenediol 1,2-Dihydroxybenzene 120-80-9 2-Hydroxyphenol Benzene, o-dihydroxy- C.I. 76500 C.I. Oxidation Base 26 Catechin Catechin (phenol) Catechol (phenol) Durafur Developer CFouramine PCH Fourrine 68 NCI-C55856 NSC1573 Oxyphenic acid Pelagol Grey C Phthalhydroquinone Pyrocatechin Pyrocatechine Pyrocatechinic acidPyrocatechol Pyrocatechuic acid WLN: QR BQ o-Benzenediol o-Dihydroxybenzene o-Dioxybenzene o-Hydroquinone o-Hydroxyphenol o-Phenylenediol