InChI=1/C18H25BrN2O2/c1-10(15-11(2)21-23-12(15)3)20-16(22)17-5-13-4-14(6-17)8-18(19,7-13)9-17/h10,13-14H,4-9H2,1-3H3,(H,20,22)/t10-,13-,14+,17?,18?/m0/s1/f/h20H 2190C1FD30CD1CEB