2-(7-Isopropyl-5-methylbicyclo(2.2.2)oct-5-en-2-yl)-1,3-dioxolan

2-[7-isopropyl-5-methylbicyclo[2.2.2]oct-5-en-2-yl]-1,3-dioxolane

2-[5-Methyl-7-(1-methylethyl)bicyclo[2.2.2]oct-5-en-2-yl]-1,3-dioxolane