(2E)-5-<(2-tetrahydropyranyl)oxy>pent-2-en-1-ol

(E)-5-[(tert-butyldiphenylsilyl)oxy]pent-3-en-1-ol

(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