N-{2-[(2R,11bS)-(1,3,4,6,7,11b-Hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl)amino]-ethyl}-benzenesulfonamide; hydrobromide 以55.5%的产率得到N-[2-((2R,11bS)-1,3,4,6,7,11b-Hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl-methanesulfonyl-amino)-ethyl]-benzenesulfonamide