InChI=1/C16H20N4O4S/c21-14-10-25(22,23)9-13(14)20-7-4-11(5-8-20)16-18-15(19-24-16)12-3-1-2-6-17-12/h1-3,6,11,13-14,21H,4-5,7-10H2/p+1/t13-,14+/m0/s1/fC16H21N4O4S/h20H/q+1 DCAABB9D1327B148