InChI=1/C22H23Br2N3O2/c23-18-5-1-16(2-6-18)20-15-21(17-3-7-19(24)8-4-17)27(25-20)22(28)9-10-26-11-13-29-14-12-26/h1-8,21H,9-15H2/t21-/m1/s1	66668003252B91D4