2,6,6-trimethylcyclohex-2-ene-1,4-dione 2-cyclohexene-1,4-dione, 2,6,6-trimethyl- InChI=1/C9H12O2/c1-6-4-7(10)5-9(2,3)8(6)11/h4H,5H2,1-3H