(E)-4-[(4aR,6S,7R,8aS)-7-(tert-Butyl-dimethyl-silanyloxy)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-6-yl]-2-methyl-but-2-enoic acid ethyl ester

(4aR,5aS,6aR,10S,10aR,11aR,12aS)-10-(tert-Butyl-dimethyl-silanyloxy)-10a-methyl-2-phenyl-decahydro-1,3,5,7,11-pentaoxa-naphthacen-8-one

Acetic acid (4aR,5aS,6aR,8S,10S,10aR,11aR,12aS)-10-(tert-butyl-dimethyl-silanyloxy)-10a-methyl-2-phenyl-dodecahydro-1,3,5,7,11-pentaoxa-naphthacen-8-yl ester

(4aR,6S,7R,8aS)-7-Benzyloxy-6-(2-benzyloxy-ethyl)-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxine

(4aR,6S,7R,8aS)-6-{4-[(2R,3S,5R,6S)-5-Benzyloxy-6-(2-benzyloxy-ethyl)-3-(tert-butyl-dimethyl-silanyloxy)-tetrahydro-pyran-2-yl]-but-2-ynyl}-7-(tert-butyl-dimethyl-silanyloxy)-2,2,4a-trimethyl-hexahydro-pyrano[3,2-d][1,3]dioxine