InChI=1/C20H20N8O4S/c1-13(29)22-15-7-3-4-8-16(15)23-18(30)10-11-33-20-24-19(26-27-20)25-21-12-14-6-2-5-9-17(14)28(31)32/h2-9,12H,10-11H2,1H3,(H,22,29)(H,23,30)(H2,24,25,26,27)/b21-12+/f/h22-23,25-26H DA3D937B23E60B7E