(S)-3-[4-(Tetrahydro-pyran-2-yloxy)-phenyl]-2-(toluene-4-sulfonylamino)-propionic acid methyl ester

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-{4-[4-(tetrahydro-pyran-2-yloxy)-butoxy]-phenyl}-propionic acid methyl ester

(S)-2-[((E)-5-Chloro-pent-3-enyl)-(toluene-4-sulfonyl)-amino]-3-(4-hydroxy-phenyl)-propionic acid methyl ester

2-[6-(4-{(S)-2-[((E)-5-Hydroxy-pent-3-enyl)-(toluene-4-sulfonyl)-amino]-2-methoxycarbonyl-ethyl}-phenoxy)-hexyl]-malonic acid dimethyl ester

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

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-[4-(4-iodo-butoxy)-phenyl]-propionic acid methyl ester

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-{4-[6-(tetrahydro-pyran-2-yloxy)-hexyloxy]-phenyl}-propionic acid methyl ester

(S)-3-[4-(Tetrahydro-pyran-2-yloxy)-phenyl]-2-(toluene-4-sulfonylamino)-propionic acid

2-[4-(4-{(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-2-methoxycarbonyl-ethyl}-phenoxy)-butyl]-malonic acid dimethyl ester

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-[4-(6-iodo-hexyloxy)-phenyl]-propionic acid methyl ester

(S)-2-[((E)-5-Chloro-pent-3-enyl)-(toluene-4-sulfonyl)-amino]-3-[4-(tetrahydro-pyran-2-yloxy)-phenyl]-propionic acid methyl ester

2-[4-(4-{(S)-2-[((E)-5-Hydroxy-pent-3-enyl)-(toluene-4-sulfonyl)-amino]-2-methoxycarbonyl-ethyl}-phenoxy)-butyl]-malonic acid dimethyl ester

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-(4-hydroxy-phenyl)-propionic acid methyl ester

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-[4-(6-hydroxy-hexyloxy)-phenyl]-propionic acid methyl ester

2-[6-(4-{(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-2-methoxycarbonyl-ethyl}-phenoxy)-hexyl]-malonic acid dimethyl ester

(S)-2-[[(E)-5-(tert-Butyl-diphenyl-silanyloxy)-pent-3-enyl]-(toluene-4-sulfonyl)-amino]-3-[4-(4-hydroxy-butoxy)-phenyl]-propionic acid methyl ester