InChI=1/C18H19BrN4O2/c1-12-10-13(6-7-14(12)19)21-17(25)11-23-16-5-3-2-4-15(16)22-18(23)20-8-9-24/h2-7,10,24H,8-9,11H2,1H3,(H,20,22)(H,21,25)/f/h20-21H 79AAFA5EBD1FB96D