Latanoprost is the isopropyl ester of 17-phenyl-13,14-dihydro prostaglandin F2α (17-phenyl-13,14-dihydro PGF2α). It is a prodrug form of the free acid, which is a potent agonist of the FP receptor in the eye. Latanoprost reduces intraocular pressure in glaucoma patients with few side effects. The EC50 value of latanoprost (tested as the free acid) for FP receptors is 3.6 nM.
