2,2-Dimethyl-propionic acid (4S,5S)-5-((4aR,6S,7R,7aS)-2,2-dimethyl-7-triethylsilanyloxy-tetrahydro-furo[3,2-d][1,3]dioxin-6-yl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester

(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

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

6-O-benzoyl-3-O-benzyl-D-glucose propylene dithioacetal

2,2-Dimethyl-propionic acid (4S,5S)-5-((2R,3S,4S,5R)-3-benzyloxy-4-hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-2,2-dimethyl-[1,3]dioxolan-4-ylmethyl ester