InChI=1/C15H21BrN2OS/c1-4-12(17)15(13-7-8-14(16)20-13)18(3)9-11-6-5-10(2)19-11/h5-8,12,15H,4,9,17H2,1-3H3/p+1/t12-,15-/m0/s1/fC15H22BrN2OS/h17H/q+1 1FF30241C21B619F