... -,(11-alpha,13e,15s)-prost-13-en-1-oicaci;l-3-hydroxy-2-(3-hydroxy-1-octenyl)-5-oxocyclopentaneheptanoicacid;l-cyclopentaneheptanoicaci;l ... -pge1;l-protaglandine1;3-HYDROXY-2-(3-HYDROXY-1-OCTENYL)-5-OXO-CYCLOPENTANEHEPTANOIC ACID;ALPROSTADIL CAS: 745-65-3 ... for EP 3 and EP 4 receptors (K i values are 1.1, 2.1, 36, 10? and 33 nM for mouse EP 3 , EP 4 , EP 1 , EP 2 ...