The molecule is a sesquiterpene that is alpha-curcumene in which the p-tolyl group has been reduced to a 4-methylcyclohexa-1,4-dien-1-yl group. It is a sesquiterpene and a cyclohexadiene.
1-methyl-4-(6-methylhept-5-en-2-yl)cyclohexa-1,4-diene