InChI=1/C19H20N4O4S2/c1-12-5-3-4-6-17(12)23-18(25)16(13(2)24)11-21-19(28)22-14-7-9-15(10-8-14)29(20,26)27/h3-11H,1-2H3,(H,23,25)(H2,20,26,27)(H2,21,22,28)/b16-11+/f/h21-23H,20H2 A56203BD8069D2D0