InChI=1/C12H15N4O3S/c1-9-3-2-6-15(8-9)20(18,19)10-4-5-11-12(7-10)16(17)14-13-11/h4-5,7,9H,2-3,6,8H2,1H3/q-1/t9-/m0/s1 0B7B94D45EF0B6A7