(2E,5Z)-7-[(1R)-3α,5α-Dihydroxy-2β-[(1E,3R)-3-hydroxy-4-(m-trifluoromethylphenoxy)-1-butenyl]cyclopentan-1α-yl]-2,5-heptadienoic acid methyl ester (2E,5Z)-7-[(1R)-3α,5α-Dihydroxy-2β-[(E,3R)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-butenyl]cyclopentan-1α-yl]-2,5-heptadienoic acid methyl ester (2E,5Z)-7-[(1R)-3α,5α-Dihydroxy-2β-[(E,3R)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-butenyl]cyclopentyl]-2,5-heptadienoic acid methyl ester (2E,5Z)-7-[(1R)-3α,5α-Dihydroxy-2β-[(E,R)-3-hydroxy-4-(3-trifluoromethylphenoxy)-1-butenyl]cyclopentan-1α-yl]-2,5-heptadienoic acid methyl ester ONO-995 FROXIPROST 2,5-Heptadienoic acid, 7-[(1R,2R,3R,5S)-3,5-dihydroxy-2-[(1E,3R)-3-hydroxy-4-[3-(trifluoromethyl)phenoxy]-1-buten-1-yl]cyclopentyl]-, methyl ester, (2E,5Z)-