(2R,4S,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-(tert-butyl-diphenyl-silanyloxymethyl)-2-methoxy-2-((S)-2-methoxy-pent-4-ynyl)-tetrahydro-pyran

[(2R,4S,6R)-4-(tert-Butyl-diphenyl-silanyloxy)-6-((E)-(S)-5-iodo-2-methoxy-pent-4-enyl)-6-methoxy-tetrahydro-pyran-2-yl]-methanol

tert-Butyl-[(2R,4S,6R)-2-((E)-(S)-5-iodo-2-methoxy-pent-4-enyl)-2-methoxy-6-(4-methoxy-benzyloxymethoxymethyl)-tetrahydro-pyran-4-yloxy]-dimethyl-silane

tert-Butyl-[(2R,4S,6R)-2-((E)-(S)-5-iodo-2-methoxy-pent-4-enyl)-2-methoxy-6-(4-methoxy-benzyloxymethoxymethyl)-tetrahydro-pyran-4-yloxy]-diphenyl-silane