(5R,6S)-6-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-propyl]-5-methyl-5,6-dihydro-pyran-2-one

(S)-2-(tert-Butyl-dimethyl-silanyloxy)-3-((2S,3R)-3,5-dimethyl-6-oxo-3,6-dihydro-2H-pyran-2-yl)-propionaldehyde

(5R,6S)-6-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-3-hydroxy-propyl]-5-methyl-5,6-dihydro-pyran-2-one

2-Methyl-acrylic acid (1S,2R)-1-[(S)-2-(tert-butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-propyl]-2-methyl-but-3-enyl ester

(5R,6S)-6-[(S)-2-(tert-Butyl-dimethyl-silanyloxy)-3-(4-methoxy-benzyloxy)-propyl]-3,5-dimethyl-5,6-dihydro-pyran-2-one