InChI=1/C18H21BrN4O4S/c1-23(12-18(25)22-16-8-3-2-7-15(16)19)10-9-17(24)21-13-5-4-6-14(11-13)28(20,26)27/h2-8,11H,9-10,12H2,1H3,(H,21,24)(H,22,25)(H2,20,26,27)/p+1/fC18H22BrN4O4S/h21-23H,20H2/q+1 6BFA9B0EC1A4EB6F