(1R,2S,4R)-1-(2,2-pentamethylene-1,3-dioxolan-4-yl)-2-methoxy-4-methylpentan-5-ol

(2R,S,3R,5S,6R)-2,5-dimethoxy-6-(hydroxymethyl)-3-methyltetrahydropyran

(2S,3S,5R,6S)-3,6-Dimethoxy-5-methyl-tetrahydro-pyran-2-carbaldehyde