(3S,6aS,8aS,9R,12aR,12bS)-9-(hydroxymethyl)-3,9,12a-trimethyldodecahydro-4H,6H-3,6a-methanonaphtho[2,1-c]oxocin-4-one

ent-18-acetoxy-15α,16α-epoxy-beyerane

19-Hydroxy-15-oxo-seco-beyeran-16-saeure-methylester

((3S,5aS,7aS,8R,11aR,11bS)-3,8,11a-trimethyl-5-oxododecahydro-5H-3,5a-methanonaphtho[2,1-c]oxepin-8-yl)methyl acetate

((3S,5aS,7aS,8R,11aR,11bS)-3,8,11a-trimethyl-4-oxododecahydro-2H-3,5a-methanonaphtho[2,1-b]oxepin-8-yl)methyl acetate