InChI=1/C16H21BrN2OS/c1-11-19-13(10-21-11)9-20-15-12(6-5-7-14(15)17)8-18-16(2,3)4/h5-7,10,18H,8-9H2,1-4H3/p+1/fC16H22BrN2OS/h18H/q+1 135DB70B63026691