InChI=1/C13H19BrN4O2/c1-15-12(19)8-18-4-2-10(3-5-18)17-13(20)11-6-9(14)7-16-11/h6-7,10,16H,2-5,8H2,1H3,(H,15,19)(H,17,20)/f/h15,17H 610CEED76B19C1FD