(3aR,3bS,5S,7aR,7bS,8R,11aR,11bR)-7a-hydroxy-8-((4-methoxybenzyl)oxy)-2,2,3b,5,7b,11,11-heptamethyl-5-vinyldecahydro-3aH-benzo[f][1,3]dioxolo[4,5-h]chromen-7(3bH)-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