InChI=1/C11H18N4O4S/c12-4-1-8-2-5-15(6-3-8)20(18,19)9-7-13-11(17)14-10(9)16/h7-8H,1-6,12H2,(H2,13,14,16,17)/p+1/fC11H19N4O4S/h12-14H/q+1 3A71C7C8F2CBC76A