11,15-diacetyl-PGI2 methyl ester

(5R)-5-phenylthio-Δ6-PGI2 diacetate methyl ester

(S)-7-{(1R,2R,3R,5S)-3-(tert-Butyl-dimethyl-silanyloxy)-2-[(E)-(S)-3-(tert-butyl-dimethyl-silanyloxy)-oct-1-enyl]-5-hydroxy-cyclopentyl}-7-hydroxy-hept-5-ynoic acid methyl ester