InChI=1S/C12H11I3N2O5.Na/c1-4(19)17-10-8(14)5(11(20)16-2-3-18)7(13)6(9(10)15)12(21)22;/h18H,2-3H2,1H3,(H,16,20)(H,17,19)(H,21,22);/q;+1/p-1