39389-53-2 40666-03-3 5-Heptenoic acid, 7-(2-(4-(4-fluorophenoxy)-3-hydroxy-1-butenyl)-3,5-dihydroxycyclopentyl)-, (1alpha(Z),2beta(1E,3R*),3alpha,5alpha)-(+-)- 74992-43-1 ICI 79,939 ICI 79939