InChI=1S/C25H28O8S/c1-16(2)5-4-6-17(15-32-34(28,29)30)7-10-21-22(12-20(27)14-24(21)31-3)25-11-18-8-9-19(26)13-23(18)33-25/h5,7-9,11-14,26-27H,4,6,10,15H2,1-3H3,(H,28,29,30)/b17-7-