InChI=1/C13H15Br2N3O2/c14-10-1-2-12(11(15)7-10)16-13(20)8-17-3-5-18(9-19)6-4-17/h1-2,7,9H,3-6,8H2,(H,16,20)/f/h16H 122D997729BBED87