InChI=1/C12H14N2O5S/c1-14(5-6-19-2)20(17,18)8-3-4-10-9(7-8)11(15)12(16)13-10/h3-4,7H,5-6H2,1-2H3,(H,13,15,16)/p-1/fC12H13N2O5S/q-1 6FCEA02D43924DAD