phenyl (S)-5-benzyloxy-3-hydroxy-4,4-dimethylpentanoate

(S)-2-(2,2-dimethyl-<1,3>dioxan-4-yl)-2-methylpropionaldehyde

(4S)-4-(2-benzyloxy-1,1-dimethylethyl)-2,2-dimethyl[1,3]dioxane

(S)-5-benzyloxy-3-(tert-butyldimethylsiloxy)-4,4-dimethyl-1-pentanal