InChI=1/C20H23BrN2O4S/c1-4-27-19-11-14(21)5-8-20(19)28(24,25)22-10-9-16-13(2)23-18-7-6-15(26-3)12-17(16)18/h5-8,11-13,22H,4,9-10H2,1-3H3/p+1/t13-/m1/s1/fC20H24BrN2O4S/h23H/q+1 03B15D887D563381