InChI=1/C13H18N4O3S/c1-9(2)14-11(18)7-16(3)8-17-13(19)20-12(15-17)10-5-4-6-21-10/h4-6,9H,7-8H2,1-3H3,(H,14,18)/p+1/fC13H19N4O3S/h14,16H/q+1 5D9AF9F19906C62B