InChI=1/C15H16N8O2S2/c1-9(10-4-2-3-5-11(10)24)19-20-13-21-22-15(23(13)16)27-8-12(25)18-14-17-6-7-26-14/h2-7,24H,8,16H2,1H3,(H,20,21)(H,17,18,25)/b19-9+/f/h18,20H 1DF5BD35C02C4826