InChI=1S/C22H22BrN5O3/c1-4-21(2,3)22-8-15-18(30)27-16(17(29)14-9-24-10-25-14)19(31)28(15)20(22)26-13-6-5-11(23)7-12(13)22/h4-7,9-10,15,20,26,29H,1,8H2,2-3H3,(H,24,25)(H,27,30)/b17-16-/t15-,20?,22+/m0/s1