1,2-benzoquinones 1,2-benzoquinone CHEBI:484 KEGG:C02351 Gmelin:26767 chebi_ontology 3,5-cyclohexadiene-1,2-dione ortho-benzoquinone Beilstein:2038185 CHEBI:17253 A benzoquinone resulting from the formal oxidation of catechol. 2-benzoquinone 1,2-Benzoquinone o-benzoquinone o-quinone CHEBI:11139 CAS:583-63-1 cyclohexa-3,5-diene-1,2-dione Wikipedia:1,2-Benzoquinone 1,2-benzoquinone CHEBI:18863 catechol quinone benzoquinone