(S)-6-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-5,6-dihydro-pyran-2-one

(4R,6S)-6-[(R)-2-(tert-Butyl-diphenyl-silanyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-4-methyl-tetrahydro-pyran-2-one

(4R,6S)-6-[(R)-2-Hydroxy-1-(4-methoxy-benzyloxy)-ethyl]-4-methyl-tetrahydro-pyran-2-one

Benzoic acid (1R,4R,6S)-7-azido-1-[(S)-(4-methoxy-benzyloxy)-((2S,4R)-4-methyl-6-oxo-tetrahydro-pyran-2-yl)-methyl]-4,6-dimethyl-3-oxo-heptyl ester

(S)-(4-Methoxy-benzyloxy)-((2S,4R)-4-methyl-6-oxo-tetrahydro-pyran-2-yl)-acetaldehyde