2-cyclohexen-1-one, 2-ethyl-3,5,5-trimethyl- 2-ethyl-3,5,5-trimethylcyclohex-2-en-1-one InChI=1/C11H18O/c1-5-9-8(2)6-11(3,4)7-10(9)12/h5-7H2,1-4H