(2S,3R,4aS,5aR,7aS,12R,12aR,13aS,14aR)-3-(benzyloxy)-2-(2-(benzyloxy)ethyl)-2,4a,5a,12-tetramethyl-2,3,4,4a,5a,6,7,7a,11,12,12a,13a,14,14a-tetradecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9-yl trifluoromethanesulfonate

(2R,3S,4aR,5aS,7aR,8aS,10R,11S,12aR,13aS,14aR,15R,16aS)-10-(benzyloxy)-11-(2-(benzyloxy)ethyl)-3,7a,8a,11,15-pentamethyl-2-(((2S,3S)-3-vinyloxiran-2-yl)methyl)octadecahydro-2H-pyrano[2',3':5,6]pyrano[3,2-b]pyrano[2',3':6,7]oxepino[2,3-f]oxepin-3-ol

3-((2S,3R,4aS,5aR,7aS,9R,10S,12R,12aR,13aS,14aR)-3-(benzyloxy)-2-(2-(benzyloxy)ethyl)-2,4a,5a,12-tetramethyl-10-((triethylsilyl)oxy)hexadecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9-yl)-2-((tert-butyldimethylsilyl)oxy)-2-methylpropan-1-ol