InChI=1/C16H25BrN2O2/c1-4-8-19-16(20)11(3)21-15-7-6-13(17)9-12(15)10-14(18)5-2/h6-7,9,11,14H,4-5,8,10,18H2,1-3H3,(H,19,20)/p+1/t11-,14+/m0/s1/fC16H26BrN2O2/h18-19H/q+1 DEFA94E3A50D06D0