InChI=1/C16H19BrN4O2/c17-11-1-2-13-10(7-11)8-14(20-13)16(23)19-12-3-5-21(6-4-12)9-15(18)22/h1-2,7-8,12,20H,3-6,9H2,(H2,18,22)(H,19,23)/f/h19H,18H2 CA26D40CE6D71847