InChI=1S/C24H24N4O4S/c1-14-7-5-8-16-21(14)27-23-17(9-6-10-18(23)24(29)25-2)22(16)26-19-12-11-15(13-20(19)32-3)28-33(4,30)31/h5-13,28H,1-4H3,(H,25,29)(H,26,27)