InChI=1/C15H23BrN2O/c1-10(2)9-14(15(19)17-4)18-11(3)12-7-5-6-8-13(12)16/h5-8,10-11,14,18H,9H2,1-4H3,(H,17,19)/t11-,14+/m0/s1/f/h17H 8D5C9C48630A469E