1-isopropyl-5-methyl-2-oxabicyclo[2.2.2]oct-5-ene 2-oxabicyclo[2.2.2]oct-5-ene, 5-methyl-1-(1-methylethyl)- InChI=1/C11H18O/c1-8(2)11-5-4-10(7-12-11)9(3)6-11/h6,8,10H,4-5,7H2,1-3H