6-(4,4-dimethyl-1-cyclohexa-2,5-dienylidene)-3,3-dimethylcyclohexa-1,4-diene;6-(4,4-dimethyl-1-cyclohexa-2,5-dienylidene)-3,3-dimethyl-cyclohexa-1,4-diene;81478-74-2;1,4-Cyclohexadiene, 3-(4,4-dimethyl-2,5-cyclohexadien-1-ylidene)-6,6-dimethyl-
6-(4,4-dimethyl-1-cyclohexa-2,5-dienylidene)-3,3-dimethylcyclohexa-1,4-diene