InChI=1/C21H23BrN2O5S/c1-4-5-6-7-12-29-17-8-10-18(11-9-17)30(27,28)24(3)20-15(2)13-16(22)14-19(20)21(25)23-26/h8-11,13-14,26H,4-5,12H2,1-3H3,(H,23,25)/f/h23H 2F5FCB9F53D66D99