InChI=1/C16H16N2O5S/c1-21-14-9-12(10-15-16(14)23-8-7-22-15)11-17-18-24(19,20)13-5-3-2-4-6-13/h2-6,9-11,18H,7-8H2,1H3/b17-11+ 6296339FAB232A77