4α-(benzyloxy)-1α-ethenyl-2α-<2-(4-methoxybenzocyclobutenyl)-2-(benzyloxy)ethyl>-1β-methylcyclohexane

2,3-epoxy-1,2,3,4,4aβ,5,6,7,8,8a-decahydro-3-<2-(4-methoxybenzocyclobutenyl)>-8aβ-methyl-1-oxo-6α-<(tetrahydropyranyl)oxy>naphthalene

(-)-4α-acetoxy-1-ethenyl-2-(7-methoxy-Δ3-isochromenyl)-1β-methylcyclohexane

1,2,3,4,4aβ,5,6,7,8,8a-decahydro-6α-hydroxy-3-<2-(4-methoxybenzocyclobutenyl)>-8aβ-methyl-1-oxonaphthalene

1α-ethenyl-4α-hydroxy-2α-<2-(4-methoxybenzocyclobutenyl)-2-hydroxyethyl>-1β-methylcyclohexane