(R)-2-(tert-Butyl-dimethyl-silanyloxy)-3-[(2R,3R,4R,5S,6S)-4-(tert-butyl-dimethyl-silanyloxy)-6-ethylsulfanyl-3,5-dimethyl-tetrahydro-pyran-2-yl]-propionaldehyde

(2R,5S,6S,7S)-1-Benzyloxy-6-(tert-butyl-dimethyl-silanyloxy)-2-hydroxy-8,8-dimethoxy-5,7-dimethyl-octan-4-one

(R)-1-Benzyloxy-3-{2-[(1S,2S,3S)-2-(tert-butyl-dimethyl-silanyloxy)-4,4-dimethoxy-1,3-dimethyl-butyl]-[1,3]dithian-2-yl}-propan-2-ol

(1S,3R,4R,5S)-3-((R)-1-{(4R,5R,6S)-6-[(S)-1-(benzyloxy)propano-2-yl]-2,2,5-trimethyl-1,3-dioxan-4-yl}ethyl)-1,4-dimethyl-2,8-dioxabicyclo[3.2.1]octane

(2S)-2-((4S,5R,6R)-6-((1R)-1-((1S,3R,4R,5S)-1,4-dimethyl-2,8-dioxabicyclo[3.2.1]octan-3-yl)ethyl)-2,2,5-trimethyl-1,3-dioxan-4-yl)propan-1-ol