InChI=1/C19H21BrN4O/c1-25-18-5-3-2-4-17(18)23-10-8-22(9-11-23)13-16-14-24-12-15(20)6-7-19(24)21-16/h2-7,12,14H,8-11,13H2,1H3 357279071F2AE873