5-HEPTENOIC ACID, 7-(6-(3-HYDROXY-1-OCTENYL)-2-OXABICYCLO(2.2.1)HEPT-5-YL)-, (1R 5-Heptenoic acid, 7-(6-(3-hydroxy-1-octenyl)-2-oxabicyclo(2.2.1)hept-5-yl)-, (1R-(1-alpha,4-alpha,5-beta(Z),6-alpha(1E,3S*)))- 56985-40-1 9a,11a-Methanoepoxy-15-hydroxyprosta-5,13-dienoic acid U 46619 U46619