InChI=1/C18H17BrN6O2S/c19-13-4-2-5-14(10-13)21-16(27)7-8-28-18-22-17(24-25-18)23-20-11-12-3-1-6-15(26)9-12/h1-6,9-11,26H,7-8H2,(H,21,27)(H2,22,23,24,25)/b20-11+/f/h21,23-24H EC70B72291D20A15