InChI=1/C23H17NO4S/c1-29(27,28)17-13-11-16(12-14-17)22-20(15-7-3-2-4-8-15)21(23(25)26)18-9-5-6-10-19(18)24-22/h2-14H,1H3,(H,25,26)/p-1/fC23H16NO4S/q-1 8AF679D4E27174DE