Acetic acid 2-[(4S,6S)-2,2-dimethyl-6-(2-oxo-ethyl)-[1,3]dioxan-4-yl]-ethyl ester

(4S,6R)-4-(2-hydroxyethyl)-6-(2-phenylethyl)-2,2-dimethyl-1,3-dioxane

(3S,5R)-7-acetoxy-1-hydroxy-3,5-isopropylidenedioxy-heptane

Acetic acid (1R,3S)-3-acetoxy-5-benzyloxy-1-(2-benzyloxy-ethyl)-pentyl ester

(3S,5R)-1,7-Bis-benzyloxy-heptane-3,5-diol