InChI=1/C17H16N8O4S/c18-24-16(21-19-9-11-2-1-3-14(26)8-11)22-23-17(24)30-10-15(27)20-12-4-6-13(7-5-12)25(28)29/h1-9,26H,10,18H2,(H,20,27)(H,21,22)/b19-9+/f/h20-21H B4BFE7FAB5533666