(R)-2-(((chloromethyl)sulfonyl)oxy)-2-((2S,4aS,6R,8aR)-6-((S)-1-(((chloromethyl)sulfonyl)oxy)pent-4-en-1-yl)-2,6-dimethyloctahydropyrano[3,2-b]pyran-2-yl)ethyl acetate

2-(((2R,4S,4aS,5aR,7aS,9R,10S,12aR,13aS,14aR)-9-((Z)-hexa-3,5-dien-1-yl)-4,10-dihydroxy-5a,10-dimethylhexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-2-yl)methyl)allyl acetate

2-(((2R,4S,4aS,5aR,7aS,9R,10S,12aR,13aS,14aR)-10-((tert-butyldimethylsilyl)oxy)-9-((Z)-hexa-3,5-dien-1-yl)-4-hydroxy-5a,10-dimethylhexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-2-yl)methyl)allyl acetate