(S)-3-(6-Benzyloxymethyl-tetrahydro-pyran-2-yloxy)-2-(toluene-4-sulfonylamino)-propionic acid methyl ester

2-(4-{(R)-3-(6-Benzyloxymethyl-tetrahydro-pyran-2-yloxy)-2-[[(E)-5-(tert-butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-propoxy}-butyl)-malonic acid dimethyl ester

2-(4-{(R)-3-(6-Benzyloxymethyl-tetrahydro-pyran-2-yloxy)-2-[((E)-5-hydroxy-pent-3-enyl)-(toluene-4-sulfonyl)-amino]-propoxy}-butyl)-malonic acid dimethyl ester

N-[(R)-2-(6-Benzyloxymethyl-tetrahydro-pyran-2-yloxy)-1-hydroxymethyl-ethyl]-N-[(E)-5-(tert-butyl-diphenyl-silanyloxy)-pent-3-enyl]-4-methyl-benzenesulfonamide

(S)-3-(6-Benzyloxymethyl-tetrahydro-pyran-2-yloxy)-2-[[(E)-5-(tert-butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-propionic acid methyl ester