InChI=1S/C23H26O14S/c1-2-9-3-4-10(5-15(9)37-38(31,32)33)20-14(25)8-12-13(24)6-11(7-16(12)35-20)34-23-19(28)17(26)18(27)21(36-23)22(29)30/h3-7,14,17-21,23-28H,2,8H2,1H3,(H,29,30)(H,31,32,33)