InChI=1/C22H27BrN4O4/c1-14-10-16(23)8-9-19(14)26-20(28)12-24-22(30)15(2)27(3)13-21(29)25-17-6-5-7-18(11-17)31-4/h5-11,15H,12-13H2,1-4H3,(H,24,30)(H,25,29)(H,26,28)/p+1/t15-/m1/s1/fC22H28BrN4O4/h24-27H/q+1 254C4387E9F0459A