InChI=1/C22H27BrN4O4/c1-3-12-27(15-22(30)26-18-10-6-7-11-19(18)31-2)14-21(29)24-13-20(28)25-17-9-5-4-8-16(17)23/h4-11H,3,12-15H2,1-2H3,(H,24,29)(H,25,28)(H,26,30)/p+1/fC22H28BrN4O4/h24-27H/q+1 7D28F4828CAB14C8