(-)-(4aS,6S,8aS)-6β-Acetoxy-1,4,4aα,5,6,7,8,8a-octahydro-8aβ-methyl-1-oxonaphthalene

(-)-(4aS,6S,8aS)-1,2,3,4,4aα,5,6,7,8,8a-Decahydro-6β-hydroxy-8aβ-methyl-1-oxonaphthalene

(-)-(4aR,6S,8aS)-6β-Acetoxy-2,3-epoxy-1,2,3,4,4aα,5,6,7,8,8a-decahydro-8aβ-methyl-1-oxonaphthalene

(-)-(4aS,6S,8aS)-6β-Acetoxy-2-bromo-1,2,3,4,4aα,5,6,7,8,8a-decahydro-8aβ-methyl-1-oxonaphthalene