9 alpha-homo-9,11-epoxy-15 beta-hydroxy-17,18,19,20-tetranor-16-(4-fluorophenoxy)-5,13-prostadienoic acid
9 alpha-homo-9,11-epoxy-15 beta-hydroxy-17,18,19,20-tetranor-16-(4-fluorophenoxy)-5,13-prostadienoic acid