(4aR,6R,8aS)-2-Bromo-6-hydroxy-3-(3-methoxy-bicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-8a-methyl-octahydro-naphthalen-1-one

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

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

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

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