17-Phenyl-18,19,20-trinor-pgf2-alpha 1,15-lactone 17-Phenyl-18,19,20-trinor-prostaglandin F2-alpha 1,15-lactone 5H-Cyclopent(e)oxacyclotridecin-5-one, 3,6,7,8,11,11a,12,13,14,14a-decahydro-12,14-dihydroxy-3-(2-phenylethyl)-, (3S-(1E,3R*,9Z,11aS*,12R*,14S*,14aS*))- 62411-15-8 BRN 5622159