(+)-(4aR,6R,8aS)-6α-acetoxy-1,4,4aβ,5,6,7,8,8a-octahydro-8aβ-methyl-1-oxonaphthalene

Acetic acid (2R,4aS,8aR)-6-bromo-4a-methyl-5-oxo-decahydro-naphthalen-2-yl ester

4α-acetoxy-1α-ethenyl-2α-<2-(4-methoxybenzocyclobutenyl)-2-oxoethyl>-1β-methylcyclohexane

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