InChI=1/C12H13N4O3S/c1-7-12(8(2)19-15-7)20(17,18)16-10-4-3-9-6-13-14-11(9)5-10/h3-5,8,15H,6H2,1-2H3/q-1/p+1/t8-/m1/s1/fC12H14N4O3S/h13H/q 9E0215FD2F01607C