(Z)-(R)-8-{(4S,6R)-6-[1-Acetoxy-2-nitro-3-(2-pentyl-[1,3]dioxolan-2-yl)-propyl]-2,2-dimethyl-[1,3]dioxan-4-yl}-8-(tert-butyl-diphenyl-silanyloxy)-oct-5-enoic acid methyl ester

methyl 8R,9S,11R-dihydroxy-9,11-O-isopropylidene-eicosa-5Z,12E,14Z-trienoate

methyl 8R-mesyloxy-9S,11R-dihydroxy-9,11-O-isopropylidene-eicosa-5Z,12E,14Z-trienoate