InChI=1/C16H17BrN4O/c17-14-6-4-11(5-7-14)9-20-16(19)21-10-12-2-1-3-13(8-12)15(18)22/h1-8H,9-10H2,(H2,18,22)(H3,19,20,21)/p+1/fC16H18BrN4O/h20-21H,18-19H2/q+1 B74F1634E3A08454