(2aR,2a1R,3R,5aR,8aR)-3-methoxy-2a1,6,6-trimethyl-2a,2a1,3,5a,6,7,8,8a-octahydro-2H-naphtho[1,8-bc]furan-2-one

5-((4Z,6E)-7-methoxy-3,3-dimethylhepta-4,6-dien-1-yl)-4-methylfuran-2(5H)-one

(3aβ,5aβ,6aα,9aα,9bα,9cβ)-Decahydro-1,1,8,8,9c-pentamethyl-6-methylene-5H-furo[4',3',2':4,5]naphtho[1,2-d][1,3]dioxol-5-one

(3aS,3bR,6aS,6bR,7S,10aS,10bS)-5-methoxy-7-((4-methoxybenzyl)oxy)-2,2,3b,6b,10,10-hexamethyloctahydronaphtho[1,2-d:3,4-d']bis([1,3]dioxole)-6a(3bH)-carbaldehyde

(1R)-5-((tert-butyldiphenylsilyl)oxy)-1-((3aS,3bR,6aR,6bR,7S,10aS,10bS)-5-methoxy-7-((4-methoxybenzyl)oxy)-2,2,3b,6b,10,10-hexamethyloctahydronaphtho[1,2-d:3,4-d']bis([1,3]dioxole)-6a(3bH)-yl)pent-2-yn-1-ol