13,14-Dihydro-15-keto-pgd2 13,14-Dihydro-15-keto-prostaglandin D2 13,14-Dihydro-15-ketoprostaglandin D2 59894-07-4 Prost-5-en-1-oic acid, 9-hydroxy-11,15-dioxo-, (5Z,9alpha)-