Synonyms: 5-Heptenoicacid, 7-[(1R,2S,3S,4S)-3-[(1E,3S)-4-(4-fluorophenoxy)-3-hydroxy-1-butenyl]-7-oxabicyclo[2.2.1]hept-2-yl]-,(5Z)-rel- (9CI); 5-Heptenoic acid,7-[3-[4-(4-fluorophenoxy)-3-hydroxy-1-butenyl]-7-oxabicyclo[2.2.1]hept-2-yl]-,[1a,2a(Z),3b(1E,3S*),4a]-(?à)-; 5-Heptenoic acid, 7-[3-[4-(4-fluorophenoxy)-3-hydroxy-1-butenyl]-7-oxabicyclo[2.2.1]hept-2-yl]-,[1a,2a(Z),3b(1E,3S*),4a]-;EP 171; EP 171 (activator)