InChI=1S/C12H14NO6.Hg.Na.H2O/c1-18-11(16)6-13-12(17)8-4-2-3-5-9(8)19-7-10(14)15;;;/h2-5,11H,6-7H2,1H3,(H,13,17)(H,14,15);;;1H2/q-1;+2;+1;/p-2