InChI=1/C20H20BrN5O2/c21-16-3-5-17(6-4-16)26-19(14-7-9-22-10-8-14)18(23-24-26)13-25-11-1-2-15(12-25)20(27)28/h3-10,15H,1-2,11-13H2,(H,27,28)/t15-/m0/s1/f/h25H 4D50DE838B11165F