201324621Gemeprost

201324622Iloprost

201324623methyl 7-(3-hydroxy-5-oxocyclopenten-1-yl)heptanoate

201324624methyl 7-(5-oxo-3-triethylsilyloxycyclopenten-1-yl)heptanoate

201324625methyl 7-[3-[tert-butyl(dimethyl)silyl]oxy-5-oxocyclopenten-1-yl]heptanoate

201324626methyl 7-[(3R)-3-hydroxy-5-oxocyclopenten-1-yl]heptanoate

201324627methyl 7-[3-(oxan-2-yloxy)-5-oxocyclopenten-1-yl]heptanoate

201324628methyl 7-[(3R)-5-oxo-3-triethylsilyloxycyclopenten-1-yl]heptanoat

201324629methyl (Z)-7-(3-hydroxy-5-oxocyclopenten-1-yl)hept-5-enoate

201324630methyl 7-[(3R)-3-[tert-butyl(dimethyl)silyl]oxy-5-oxocyclopenten-1-yl]heptanoate

201324631methyl 7-[(3R)-3-(oxan-2-yloxy)-5-oxocyclopenten-1-yl]heptanoate

201324632methyl 7-(5-oxo-3-triethylsilyloxycyclopenten-1-yl)hept-5-enoate