InChI=1/C15H22BrN3O2/c1-12-2-3-13(10-14(12)16)17-15(21)11-19-6-4-18(5-7-19)8-9-20/h2-3,10,20H,4-9,11H2,1H3,(H,17,21)/f/h17H 4EB228F0CFF4E6B8