InChI=1/C13H15BrN2O3/c14-9-7-8(11(17)18)3-4-10(9)16-12(19)13(15)5-1-2-6-13/h3-4,7H,1-2,5-6,15H2,(H,16,19)(H,17,18)/f/h15-16H B17DC9A992C94C76