oxepino<3,2-b>pyrano<2',3':5,6>pyrano<2,3-f>oxepin, 2-(hydroxymethyl)-4,10-dihydroxy-9-<1-<(tert-butyldimethylsilyl)oxy>propyl>hexadecahydro-5a,10-dimethyl-, <2R-<2α,4α,4aβ,5aβ,7aβ,9α,10β,12aα,13aα,14aα>>-

3,7:6,10-dianhydro-8,11-O-dibenzyl-3-C-methyl-4-O-(tert-butyldimethylsilyl)-1,2,5,9-tetradeoxy-D-threo-L-allo-undecose

(2S,4S,4aS,5aR,7aS,12aR,13aS,14aR)-4-(benzyloxy)-2-((benzyloxy)methyl)-5a-methyltetradecahydrooxepino[3,2-b]pyrano[2',3':5,6]pyrano[2,3-f]oxepin-9(2H)-one

4-((2S,4S,4aS,5aR,8S,9R,10aS,11aR)-4-(benzyloxy)-2-((benzyloxy)methyl)-8-hydroxy-5a-methyldodecahydropyrano[2',3':5,6]pyrano[3,2-b]oxepin-9-yl)butanoic acid