(R)-6-[(1S,2R)-1-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-ethyl]-5,6-dihydro-pyran-2-one

(5R,6R)-6-[(1S,2R)-1-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-ethyl]-5-hydroxy-5,6-dihydro-pyran-2-one

(R)-6-[(1S,2R)-1-Benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-ethyl]-3,6-dihydro-pyran-2-one

Acetic acid (2R,3R)-2-[(1S,2R)-1-benzyloxy-2-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-ethyl]-6-oxo-3,6-dihydro-2H-pyran-3-yl ester

(1S,2R)-2-{[tert-butyl(diphenyl)silyl]oxy}-1-[(2R,6S)-6-ethoxy-5,6-dihydro-2H-pyran-2-yl]-2-phenylethanol