InChI=1S/C22H25BrN2O4S/c1-5-29-22(27)20-18(13-30(28)14-9-7-6-8-10-14)25(4)17-11-16(23)21(26)15(19(17)20)12-24(2)3/h6-11,26H,5,12-13H2,1-4H3