(3R,3aS,6R,6aS)-Hexahydrofuro[3,2-b]furan-3,6-diyl dinitrate,(3R,3aS,6R,6aS)-Hexahydrofuro[3,2-b]furan-3,6-diyl dinitrate,Isomannide Dinitrate is an active vasodepressor agent. When administered orally to hypertensive rat causes a decline in blood pressure. It is also a urinary metabolite. A vasodilator,Isosorbide Dinitrate