Synonyms: (1E,3R,9Z,11aR,12S,14R,14aR)-3,6,7,8,11,11a,12,13,14,14a-Decahydro-12,14-dihydroxy-3-phenoxymethyl-5H-cyclopent[e]oxacyclotridecin-5-one;16-Phenoxy-17,18,19,20-tetranorPGF2α 1,15-lactone;16-Phenoxy-17,18,19,20-tetranorprostaglandin F2α 1,15-lactone