InChI=1/C18H25BrN4O2/c1-17(2)9-14(10-18(3,4)23-17)21-15(24)16(25)22-20-11-12-5-7-13(19)8-6-12/h5-8,11,14,23H,9-10H2,1-4H3,(H,21,24)(H,22,25)/p+1/b20-11+/fC18H26BrN4O2/h21-23H/q+1 55A98614A71FC596