(3S,3aR,4aS,8aR,9aR)-3,8a-dimethyl-5-methylidene-3a,4,4a,6,7,8,9,9a-octahydro-3H-benzo[f][1]benzofuran-2-one

Dihydroalantolacton

3α-(O-methanesulfonyl)-5,7,11αH,4,8βH-eudesman-8,12-olide

(11S)-3α,8β-dihydroxy-eudesman-12-oic acid-8-lactone