InChI=1/C25H20N2O5S/c1-13-14(2)33-23-21(13)22(28)26-20(27-23)12-31-24(29)16-8-9-18-17(10-16)11-19(32-25(18)30)15-6-4-3-5-7-15/h3-10,19H,11-12H2,1-2H3,(H,26,27,28)/t19-/m0/s1/f/h26H 4DF9AAADFBFE6B30