Synonyms: (5Z,9S,11R,13E,15R)-9,11,15-Trihydroxy-16-(3-chlorophenoxy)-17,18,19,20-tetranorprosta-5,13-diene-1-oic acid methyl ester;(Z)-7-[(1R)-2β-[(E,R)-4-(3-Chlorophenoxy)-3-hydroxy-1-butenyl]-3α,5α-dihydroxycyclopentan-1α-yl]-5-heptenoic acid methyl ester;(Z)-7-[2β-[(1E,3R)-3-Hydroxy-4-(3-chlorophenoxy)-1-butenyl]-3α,5α-dihydroxycyclopentane-1α-yl]-5-heptenoic acid methyl ester