1-[5-benzyloxy-6-(2-benzyloxy-ethyl)-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-yl]-4-[3,5-bis-(tert-butyl-dimethyl-silanyloxy)-6-(tert-butyl-dimethyl-silanyloxymethyl)-6-methyl-tetrahydro-pyran-2-yl]-butane-2,3-dione

(2R,3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-2-hydroxymethyl-tetrahydro-pyran-3-ol

(2R,3S,4aR,5aS,6aR,8S,9R,10aS,11aR,12aS)-9-Benzyloxy-8-(2-benzyloxy-ethyl)-3-(tert-butyl-dimethyl-silanyloxy)-2-(tert-butyl-dimethyl-silanyloxymethyl)-5a,11a-dimethoxy-2-methyl-tetradecahydro-1,5,7,11-tetraoxa-naphthacene

(2R,3S,4aR,5aS,6aR,8S,9R,10aS,11aR,12aS)-9-Benzyloxy-8-(2-benzyloxy-ethyl)-2-hydroxymethyl-5a,11a-dimethoxy-2-methyl-tetradecahydro-1,5,7,11-tetraoxa-naphthacen-3-ol