InChI=1/C23H19N3O4S2/c1-24(14-25-20(27)18(31-22(25)29)12-16-8-4-2-5-9-16)15-26-21(28)19(32-23(26)30)13-17-10-6-3-7-11-17/h2-13H,14-15H2,1H3/b18-12-,19-13- 3B5BF0EC9AF11DCA