InChI=1/C7H8N2O6S2/c8-17(14,15)9-16(12,13)6-3-1-2-5(4-6)7(10)11/h1-4,9H,(H,10,11)(H2,8,14,15)/p-1/fC7H7N2O6S2/h8H2/q-1 C9BBE15B6F5E41FC