InChI=1S/C22H26O10S/c1-29-17-9-8-13-11-14(17)15-10-12(18(24)22(31-3)21(15)30-2)6-4-5-7-16(23)19(25)20(13)32-33(26,27)28/h8-11,19-20,24-25H,4-7H2,1-3H3,(H,26,27,28)