benzene-1,2-diol pyrocatechol 37349-32-9 16474-90-1 16474-89-8 12385-08-9 120-80-9 Pelagol Grey C Phthalhydroquinone Pyrocatechine Pyrocatechinic acidPyrocatechol WLN: QR BQ Brenzcatechin C00090 o-Benzenediol o-Hydroxyphenol o-Phenylenediol o-Diphenol CHEBI:18135 NCGC00091262-01 CAQ C9593_SIGMA Lopac-C-9510 ortho-Phenylenediol Lopac0_000280 AIDS-108194 ST5214346 NSC1573 Catechol-UL-14C Catechol-pyrocatechol nchembio801-comp10 o-Dihydroxybenzene C01785 o-Dioxybenzene 430749_ALDRICH CCRIS 741 o-Hydroquinone AIDS108194 135011_SIAL AB-131/40235236 C3561_SIAL c0097 EU-0100280 NCGC00015283-01 C15571 ZINC00330145 InChI=1/C6H6O2/c7-5-3-1-2-4-6(5)8/h1-4,7-8 C9510_SIAL HSDB 1436 1,2-dihydroxybenzene AI3-03995 BRN 0471401 2-hydroxyphenol CI 76500 CI Oxidation Base 26 Durafur developer C EINECS 204-427-5 Fouramine PCH CATECHOL Katechol [Czech] NSC 1573 Pyrocatechinic acid Pyrokatechin [Czech] Pyrokatechol [Czech] benzenediol ortho-Benzenediol ortho-Dihydroxybenzene ortho-Dioxybenzene ortho-Hydroquinone ortho-Hydroxyphenol pyrocatechin pyrocatechol-ul-14C Benzene, o-dihydroxy- C.I. 76500 C.I. Oxidation Base 26 1,2-benzenediol Catechin (phenol) Catechol (phenol) Durafur Developer CFouramine PCH Fourrine 68 NCI-C55856 Oxyphenic acid