InChI=1/C18H19BrN4O3S/c1-2-5-23(9-14-3-4-15(19)27-14)10-16(24)22-13-7-11(17(20)25)6-12(8-13)18(21)26/h2-4,6-8H,1,5,9-10H2,(H2,20,25)(H2,21,26)(H,22,24)/p+1/fC18H20BrN4O3S/h22-23H,20-21H2/q+1 A20BEADF1C38B72C