InChI=1/C18H26BrN3O2/c1-12(2)18(24)22-9-7-21(8-10-22)14(4)17(23)20-16-6-5-13(3)11-15(16)19/h5-6,11-12,14H,7-10H2,1-4H3,(H,20,23)/t14-/m0/s1/f/h20H 221BBB78B00A8A02