CP-544326產品是CP-544326 is a potent selective prostaglandin EP (2) receptor agonist which is the active acid metabolite of the prodrug PF-04217329 (Taprenepag isopropyl). CP-544326?was found to be a potent and selective EP(2) agonist (IC(??)?=?10?nM; EC(??)?=?2.8?nM) whose corneal permeability and ocular bioavailability are significantly increased when the compound is dosed as the isopropyl ester prodrug, PF-04217329.