Palisadin A

(3aR)-7α-Bromo-1,3,3aβ,4aα,5,6,7,8,8aβ,9-decahydro-4a,8,8-trimethylfuro[3,4-b][1]benzoxepin

(3aR,4aS,7S,8aS)-7-Bromo-1,3,3a,4a,5,6,7,8,8a,9-decahydro-4a,8,8-trimethylfuro[3,4-b][1]benzoxepin