InChI=1/C27H22NO5S/c1-31-24-12-7-13-25-26(24)22-15-14-19(28-34(2,29)30)17-23(22)27(33-25)18-8-6-11-21(16-18)32-20-9-4-3-5-10-20/h3-17,27H,1-2H3/q-1/t27-/m1/s1 1F2D1ED71C1B3B96