(4aR,6R,7R,7aR)-6-((4S,5S)-5-Hydroxymethyl-2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,2-d][1,3]dioxin-7-ol

(1S,2S)-1-[(2S,3S,4R,5R)-3-Benzyloxy-5-(tert-butyl-diphenyl-silanyloxymethyl)-4-(4-methoxy-benzyloxy)-tetrahydro-furan-2-yl]-propane-1,2,3-triol

(2R,3R,4S,5R)-4-Benzyloxy-5-[1,3]dithian-2-yl-2-hydroxymethyl-tetrahydro-furan-3-ol

(2R,3R,4S,5R)-4-benzyloxy-5-(1,3-dithian-2-yl)-3-hydroxy-2-trityloxymethyltetrahydrofuran

(E)-3-[(2S,3R,4R,5R)-3-Benzyloxy-5-(tert-butyl-diphenyl-silanyloxymethyl)-4-(4-methoxy-benzyloxy)-tetrahydro-furan-2-yl]-acrylic acid ethyl ester