(1S,4R,6R)-6-methyl-5-methylidene-6-(4-methylpent-3-enyl)bicyclo[2.2.1]heptane;(1S,2R,4R)-2-methyl-3-methylene-2-(4-methylpent-3-enyl)norbornane
(1S,4R,6R)-6-methyl-5-methylidene-6-(4-methylpent-3-enyl)bicyclo[2.2.1]heptane