InChI=1/C11H13NO6S2/c1-18-11(15)9-6-3-2-4-7(6)19-10(9)12-20(16,17)5-8(13)14/h2-5H2,1H3,(H2,12,13,14,15)/p-2/fC11H11NO6S2/q-2 9B1EE3A624759DF9