InChI=1S/C21H26O13S/c1-9-4-14(24)17-11(5-12(23)3-10(2)34-35(28,29)30)6-13(7-15(17)31-9)32-21-20(27)19(26)18(25)16(8-22)33-21/h4,6-7,10,16,18-22,25-27H,3,5,8H2,1-2H3,(H,28,29,30)