InChI=1/C18H24BrN5O4/c1-27-13-8-11(7-12-10-23-18(21)24-17(12)20)9-14(16(13)19)28-6-2-4-22-5-3-15(25)26/h8-10,22H,2-7H2,1H3,(H,25,26)(H4,20,21,23,24)/p+1/fC18H25BrN5O4/h22-23H,20-21H2/q+1 4F0F2FE572FCB6AE