6-(oxomethylidene)cyclohexa-2,4-dien-1-one;6-(oxomethylene)cyclohexa-2,4-dien-1-one;6-(oxomethylene)-1-cyclohexa-2,4-dienone;6-(ketomethylene)cyclohexa-2,4-dien-1-one;21083-33-0;2,4-Cyclohexadien-1-one, 6-carbonyl-
6-(oxomethylidene)cyclohexa-2,4-dien-1-one