13,14-Dihydro-6,15-diketo-PGF1alpha 6,15-Ddpf 6,15-Diketo-13,14-dihydro-PGF1alpha 6,15-Diketo-13,14-dihydroprostaglandin F1alpha 6,15-Dioxo-13,14-dihydro-pgf1alpha 63983-53-9 Prostan-1-oic acid, 9,11-dihydroxy-6,15-dioxo-, (9alpha,11alpha)-