InChI=1/C11H7N2O6S2/c14-11(15)10-9(4-5-20-10)21(18,19)12-7-2-1-3-8(6-7)13(16)17/h1-6H,(H,14,15)/q-1/p-1/fC11H6N2O6S2/q-2	7F4B0F207701B3DD