InChI=1/C25H18N2O4S/c1-31-25(30)19-6-2-4-16(12-19)8-9-17-5-3-7-20(13-17)26-24(29)18-10-11-22-21(14-18)27-23(28)15-32-22/h2-7,10-14H,15H2,1H3,(H,26,29)(H,27,28)/f/h26-27H D7FDCF77D491D9EA