Synonyms: o-Xylylene;Methyl, 1,2-phenylenebis-;5,6-dimethylidenecyclohexa-1,3-diene;32796-95-5;1,2-quinodimethane;AC1L3JPB;CHEBI:52411;5,6-dimethylene-cyclohexa-1,3-diene;5,6-bis(methylene)-1,3-cyclohexadiene;1,3-Cyclohexadiene, 5,6-bis(methylene)-;32714-83-3