(1S)-2-[1-(2-benzyloxy-1,1-dimethylethyl)allyloxy]tetrahydropyran

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

(4aR,7aR)-2,2,7,7-tetramethyldihydro-4H-furo[3,2-d][1,3]dioxin-6(4aH)-one