InChI=1/C26H20NO4S/c1-30-23-13-8-14-24-25(23)21-16-15-19(27-32(28,29)20-11-6-3-7-12-20)17-22(21)26(31-24)18-9-4-2-5-10-18/h2-17,26H,1H3/q-1/t26-/m1/s1 4847F8307EC803EE