InChI=1/C16H15BrN4O2/c1-2-3-11-14-13(9-6-8(17)4-5-12(9)22)10(7-18)15(19)23-16(14)21-20-11/h4-6,13,22H,2-3,19H2,1H3,(H,20,21)/t13-/m1/s1/f/h21H 8FCE60E061DD13BD