InChI=1/C13H20BrN5O3/c1-4-7(2)16-11(20)8(3)17-13(22)19-18-12(21)10-5-9(14)6-15-10/h5-8,15H,4H2,1-3H3,(H,16,20)(H,18,21)(H2,17,19,22)/t7-,8-/m0/s1/f/h16-19H A3594F617C1AE5A4