InChI=1S/C25H28O8S/c1-15(2)9-20(33-34(28,29)30)10-16(3)5-8-21-22(12-19(27)14-24(21)31-4)25-11-17-6-7-18(26)13-23(17)32-25/h5-7,9,11-14,20,26-27H,8,10H2,1-4H3,(H,28,29,30)