(3E)-4-(2,6,6-trimethylcyclohex-1-en-1-yl)but-3-en-2-one 3-buten-2-one, 4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, (3E)- InChI=1/C13H20O/c1-10-6-5-9-13(3,4)12(10)8-7-11(2)14/h7-8H,5-6,9H2,1-4H3/b8-7