InChI=1/C16H20BrN5O/c17-14-10-19-21-15(14)11-18-16(23)20-12-5-4-6-13(9-12)22-7-2-1-3-8-22/h4-6,9-10H,1-3,7-8,11H2,(H,19,21)(H2,18,20,23)/f/h18,20-21H B399746D2294568C