InChI=1/C15H15N7O2S/c23-22(24)10-6-4-9(5-7-10)8-16-21-14(19-20-15(21)25)13-11-2-1-3-12(11)17-18-13/h4-8,13-14,19H,1-3H2,(H,20,25)/b16-8+/t13-,14+/m1/s1/f/h20H 1471E9D45A038EB2