InChI=1/C17H27BrN2O3/c18-17-11-16(23-10-9-21)2-1-15(17)12-19-5-8-20-6-3-14(13-22)4-7-20/h1-2,11,14,19,21-22H,3-10,12-13H2/p+1/fC17H28BrN2O3/h20H/q+1 9162832832608AE3