17968-82-0 5-Hydroxy-2-(3-hydroxy-1-octenyl)-3-oxocyclopentaneheptanoic acid BRN 2159831 Cyclopentaneheptanoic acid, 5-hydroxy-2-(3-hydroxy-1-octenyl)-3-oxo- PGD1 Prost-13-en-1-oic acid, 9,15-dihydroxy-11-oxo-, (9-alpha,13E,15S)- (9CI) Prostaglandin D1