1,3-Dioxolane, 2-methyl-2-(3,7,7-trimethylbicyclo(4.1.0)hept-3-en-2-yl)- 2-Methyl-2-(3,7,7-trimethylbicyclo(4.1.0)hept-3-en-2-yl)-1,3-dioxolane 2-Methyl-2-(3,7,7-trimethylbicyclo(4.1.0)hept-3-ene)-1,3-dioxolane 68891-89-4 EINECS 272-582-6