2-(2,2-Dimethyl-3-norbornylidene)ethyl acetate 2-(3,3-Dimethylbicyclo(2.2.1)hept-2-ylidene)ethyl acetate 2226-03-1 EINECS 218-754-6 Ethanol, 2-(3,3-dimethylbicyclo(2.2.1)hept-2-ylidene)-, acetate