InChI=1/C21H20N4O5S2/c1-3-30-16-8-4-15(5-9-16)21-20(14-6-10-17(11-7-14)32(22,28)29)18-12-13-19(31(2,26)27)23-25(18)24-21/h4-13H,3H2,1-2H3,(H2,22,28,29)/f/h22H2 15D331D9457BF0F3