InChI=1/C11H14N2O5S/c12-19(17,18)9-5-3-8(4-6-9)11(16)13-7-1-2-10(14)15/h3-6H,1-2,7H2,(H,13,16)(H,14,15)(H2,12,17,18)/p-1/fC11H13N2O5S/h13H,12H2/q-1 DF0B69D11F2C41C3