InChI=1/C11H14N2O6S/c12-20(17,18)9-3-1-8(2-4-9)7-19-11(16)6-13-5-10(14)15/h1-4,13H,5-7H2,(H,14,15)(H2,12,17,18)/p-1/fC11H13N2O6S/h12H2/q-1 CF1D4A38C996858D