(4R,5R,6R)-5-benzyloxy-4-[1-hydroxy-prop-2-(R)-yl]-2,2,6-trimethyl-1,3-dioxane

(2R,4R,5R)-4-benzyloxy-5-hydroxy-1-(p-methoxybenzyloxy)-2-methyl-3-hexanone

(4R,5R,6R)-5-benzyloxy-4-[1-(p-methoxybenzyloxy)-prop-2-(R)-yl]-2,2,6-trimethyl-1,3-dioxane

(S)-2-[5-(R)-benzyloxy-2,2,6-(6R)-trimethyl-1,3-dioxan-4-(R)-yl]-propionaldehyde

(2R,3R,4R,5R)-3-benzyloxy-6-(p-methoxybenzyloxy)-5-methylhexane-2,4-diol