InChI=1/C15H21BrN4O2/c16-12-2-1-3-13(8-12)20-7-5-11(10-20)9-19-15(22)18-6-4-14(17)21/h1-3,8,11H,4-7,9-10H2,(H2,17,21)(H2,18,19,22)/t11-/m0/s1/f/h18-19H,17H2 D90DB269FE09E006