2,6,6-trimethyl-4-methylenecyclohex-2-en-1-one 2-cyclohexen-1-one, 2,6,6-trimethyl-4-methylene- InChI=1/C10H14O/c1-7-5-8(2)9(11)10(3,4)6-7/h5H,1,6H2,2-4H