(E)-(S)-5-[(2R,3S,4aR,5aS,8R,9S,10aR,11R,12aS)-9-((E)-4-Hydroxy-3-methyl-but-2-enyl)-3,8,11-trimethyl-3,8-bis-trimethylsilanyloxy-dodecahydro-1,5,10-trioxa-benzo[b]heptalen-2-yl]-pent-3-en-2-ol

(2S,3R,4aS,5aR,6R,7aS,8aR,10S,11R,12aS,13aR,14aS,16aR)-3-((tert-butyldimethylsilyl)oxy)-2,6,12a,16a-tetramethyl-11-(prop-1-en-2-yl)-2-vinyloctadecahydro-2H-pyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':6,7]oxepino[2,3-f]oxepin-10-ol

(E)-2-Methyl-4-[(2R,3S,4aR,5aS,8R,9S,10aR,11R,12aS)-3,8,11-trimethyl-2-((E)-4-oxo-pent-2-enyl)-3,8-bis-trimethylsilanyloxy-dodecahydro-1,5,10-trioxa-benzo[b]heptalen-9-yl]-but-2-enoic acid ethyl ester