InChI=1/C22H23N2O4S/c1-16-12-20(19-6-4-3-5-7-19)13-17(2)24(16)14-22(25)28-15-18-8-10-21(11-9-18)29(23,26)27/h3-13H,14-15H2,1-2H3,(H2,23,26,27)/q+1/f/h23H2 3BD3F267A5E64597