(2R,3S)-2-((R)-3-Hydroxy-1-methyl-propyl)-6-methoxy-tetrahydro-pyran-3-ol

(2R,3S)-2-[(R)-3-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-propyl]-6-methoxy-tetrahydro-pyran-3-ol

(R)-3-[(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-butan-1-ol

(R)-3-[(2R,3S)-3-(tert-Butyl-dimethyl-silanyloxy)-6-methoxy-tetrahydro-pyran-2-yl]-butyric acid ethyl ester

(E)-3-{(2R,3S)-2-[(R)-3-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-propyl]-6-methoxy-tetrahydro-pyran-3-yloxy}-acrylic acid ethyl ester