InChI=1/C22H19N3O5S/c1-24(19-10-3-2-4-11-19)31(29,30)20-12-7-9-18(16-20)23-22(26)15-14-17-8-5-6-13-21(17)25(27)28/h2-16H,1H3,(H,23,26)/b15-14+/f/h23H 8AB870E961AB412A