InChI=1S/C18H27BrN2O3S/c1-23-16-11-14(19)10-13(18(16)24-2)12-21-7-5-15(6-8-21)20-17(22)4-3-9-25/h10-11,15,25H,3-9,12H2,1-2H3,(H,20,22)