InChI=1/C17H19BrN4O2/c1-3-9-21-15-13(16(23)22(10-4-2)17(21)24)19-14(20-15)11-5-7-12(18)8-6-11/h5-8H,3-4,9-10H2,1-2H3,(H,19,20)/f/h19H DC050F3145943B26