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

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

(S)-3-(tert-butyldimethylsilyloxy)-4-(4-methoxybenzyloxy)butanal

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

(S)-tert-butyl({1-[(4-methoxybenzyl)oxy]pent-4-en-2-yl}oxy)dimethylsilane