InChI=1/C19H21BrN4O2/c1-11-4-5-13(12(2)6-11)9-24(3)10-18(25)21-15-8-17-16(7-14(15)20)22-19(26)23-17/h4-8H,9-10H2,1-3H3,(H,21,25)(H2,22,23,26)/p+1/fC19H22BrN4O2/h21-24H/q+1 9CD37D48E58DF5D1