>-<1-<1-<<(1,1-(dimethylethyl)dimethyl)silyl>oxy>ethyl>-4-oxo-2-pentenyl>carbamic acid phenylmethyl ester

>-<4-<<(1,1-dimethylethyl)dimethylsilyl>oxy>-1-<1-<<(1,1-dimethylethyl)dimethylsilyl>oxy>ethyl>-2,4-pentadienyl>carbamic acid phenylmethyl ester

<3R-(3α,4α,4aβ,5β,6α)>-(3,4,4a,5,6,7-hexahydro-5,6-dihydroxy-3-methyl-1-oxo-1H-2-benzopyran-4-yl)carbamic acid phenylmethyl ester

(R)-6-[(1R,2R)-1-Benzyloxycarbonylamino-2-(tert-butyl-dimethyl-silanyloxy)-propyl]-4-(tert-butyl-dimethyl-silanyloxy)-cyclohexa-1,4-dienecarboxylic acid methyl ester

[(1S,2R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-formyl-propyl]-carbamic acid benzyl ester