InChI=1/C7H8N2O6S2/c8-17(14,15)9-16(12,13)6-3-1-2-5(4-6)7(10)11/h1-4,9H,(H3,8,10,11,14,15)/p-2/fC7H6N2O6S2/h8H/q-2 938736D7ACA064E4