InChI=1/C20H22Br2N2O4/c21-17-1-3-19(25)15(11-17)13-23-5-7-27-9-10-28-8-6-24-14-16-12-18(22)2-4-20(16)26/h1-4,11-14,25-26H,5-10H2/p+2/b23-13+,24-14?/fC20H24Br2N2O4/h23-24H/q+2	2E2148AF3B84C3B8