2,4-cyclohexadien-1-one, 3,4,6,6-tetramethyl- 3,4,6,6-tetramethylcyclohexa-2,4-dien-1-one InChI=1/C10H14O/c1-7-5-9(11)10(3,4)6-8(7)2/h5-6H,1-4H