InChI=1/C28H17NO4S/c1-15-11-12-19-21(13-15)34-22-14-20(33-28(32)16-7-3-2-4-8-16)23-24(25(22)29-19)27(31)18-10-6-5-9-17(18)26(23)30/h2-14,31H,1H3/p-1/fC28H16NO4S/h31h/q-1 E536412109D81C03