InChI=1/C8H10N2O4S/c1-3(7(13)14)2-4-5(11)9-8(15)10-6(4)12/h3H,2H2,1H3,(H,13,14)(H3,9,10,11,12,15)/p-2/t3-/m1/s1/fC8H8N2O4S/h9-10H/q-2 0687D9EF9F6BE35D