Acrylic acid (S)-1-[(R)-2-(tert-butyl-diphenyl-silanyloxy)-1-(4-methoxy-benzyloxy)-ethyl]-but-3-enyl ester

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

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

(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