InChI=1/C15H16Br2N2O2/c1-10-6-12(16)15(13(17)7-10)18-14(20)9-19(2)8-11-4-3-5-21-11/h3-7H,8-9H2,1-2H3,(H,18,20)/p+1/fC15H17Br2N2O2/h18-19H/q+1 8EB53D3D4EB63725