InChI=1S/C10H8N2O2S2.Mg.H2O4S.3H2O/c13-11-7-3-1-5-9(11)15-16-10-6-2-4-8-12(10)14;;1-5(2,3)4;;;/h1-8H;;(H2,1,2,3,4);3*1H2/q;+2;;;;/p-2