(R,E)-13-(2-hexyl-[1,3]dioxolan-2-yl)-3-hydroxy-2-methylene-tridec-6-enoic acid 1,1,1,3,3,3-hexafluoroisopropyl ester

(2R,3R,E)-1,2-epoxy-13-(2'-hexyl-[1,3]dioxolan-2'-yl)-3-hydroxy-2-tert-butyldiphenylsiloxy-methyl-tridec-1,6-diene

(2R,3R,E)-1,2-epoxy-13-(2'-hexyl-[1,3]dioxolan-2'-yl)-3-trichloroacetimidyloxy-2-tert-butyldiphenylsiloxymethyl-tridec-1,6-diene

(E)-{tert-butyldiphenylsiloxymethyl-5-[10'-(2''-hexyl-[1,3]dioxolan-2''-yl)-dec-3-enyl]-2-trichloromethyl-4,5-dihydro-oxazol-4-yl}-methanol