(4aS,5R,5aS,9aR,10aS)-4a-[(S)-1-(2-Benzyloxy-ethyl)-2-methyl-allyl]-2,2,5a-trimethyl-decahydro-naphtho[2,3-d][1,3]dioxine-5-carbaldehyde

rac-(1R,3S,5aS,6R,7aS,11aR,12S)-12-(2-hydroxyethyl)-3-(hydroxymethyl)-11a-methyldodecahydro-5H-3,5a-methanonaphtho[2,1-c]oxepine-1,6-diol

rac-methyl (3R,3aR,3a1S,6aR,7aR,11aS,11bR)-11a-methyl-1,5-dioxododecahydro-2H-3,3a1-(epoxymethano)dibenzo[de,g]chromene-3(3aH)-carboxylate

rac-methyl (3R,5aS,6S,7aR,11aS,11bR,12R)-6-hydroxy-12-(2-methoxy-2-oxoethyl)-11a-methyl-1-oxodecahydro-5H-3,5a-methanonaphtho[2,1-c]oxepine-3(2H)-carboxylate

rac-methyl (3R,5aS,7aR,11aS,11bR,12R)-12-(2-methoxy-2-oxoethyl)-11a-methyl-1,6-dioxodecahydro-5H-3,5a-methanonaphtho[2,1-c]oxepine-3(2H)-carboxylate