InChI=1/C19H23BrN2OS/c1-14-11-16(20)9-10-18(14)24-13-19(23)21-12-17(22(2)3)15-7-5-4-6-8-15/h4-11,17H,12-13H2,1-3H3,(H,21,23)/p+1/t17-/m0/s1/fC19H24BrN2OS/h21-22H/q+1 CF2E051C21AC8DCB