InChI=1/C21H19BrN2O3/c1-2-18(15-7-10-16(25)11-8-15)23-24-20(26)13-27-19-12-9-14-5-3-4-6-17(14)21(19)22/h3-12,25H,2,13H2,1H3,(H,24,26)/b23-18+/f/h24H F8460C66735F148B