(3E,12R,15S)-17-benzyloxy-12-(tert-butyldimethylsilyl)oxy-8,11-dioxo-12-methyl-15-(triethylsilyloxy)-3-heptadecen-2-one

1-{2-[(4R,7S)-9-benzyloxy-4-(tert-butyldimethylsilyl)oxy-4-methyl-3-oxo-7-(triethylsilyloxy)nonyl]-1,3-dithian-2-yl}-4-hepten-6-one

1-{2-[(3S,4R,7S)-9-benzyloxy-4-(tert-butyldimethylsilyl)oxy-3-hydroxy-4-methyl-7-(triethylsilyloxy)nonyl]-1,3-dithian-2-yl}-4-hepten-6-one

4-{2-[(3S,4R,7S)-9-benzyloxy-4-(tert-butyldimethylsilyl)oxy-3-(4-methoxybenzyl)oxy-4-methyl-7-(triethylsilyl)oxynonyl]-1,3-dithian-2-yl}butyraldehyde

4-{2-[(3S,4R,7S)-9-benzyloxy-4-(tert-butyldimethylsilyl)oxy-3-(4-methoxybenzyl)oxy-4-methyl-7-(triethylsilyloxy)nonyl]-1,3-dithian-2-yl}butan-1-ol