diquafosol

{{Chembox | ImageFile = Diquafosol.svg | ImageClass = skin-invert-image | ImageSize = 250px | IUPACName = O1,O7-Di(5′-deoxyuridin-5′-yl) tetrahydrogen tetraphosphate | SystematicName = O1,O7-Bis{[(2R,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3,4-dihydroxyoxolan-2-yl]methyl} tetrahydrogen tetraphosphate | OtherNames = P1,P4-Bis(5'-uridyl) tetraphosphate; INS-365; Diquafosol tetrasodium |Section1= |Section2= |Section3= |Section5= | Section6 = }}

Diquafosol (tradename Diquas) is a pharmaceutical drug for the treatment of dry eye disease. It was approved for use in Japan in 2010. It is formulated as a 3% ophthalmic solution of the tetrasodium salt.