InChI=1/C12H17BrN4O/c1-7-2-3-8(11(15)18)6-17(7)12-10(14)4-9(13)5-16-12/h4-5,7-8H,2-3,6,14H2,1H3,(H2,15,18)/t7-,8+/m1/s1/f/h15H2 93EE51FD0C6A3B25