InChI=1S/C23H26N2O5S/c1-14-17(21(26)18-13-24-25(22(18)27)23(2,3)4)11-12-19(31(6,28)29)20(14)15-7-9-16(30-5)10-8-15/h7-13,27H,1-6H3