InChI=1S/C21H24O10S/c1-29-19-10-13(5-8-18(19)31-32(26,27)28)3-6-15(22)12-16(23)7-4-14-9-17(24)21(25)20(11-14)30-2/h5,8-11,24-25H,3-4,6-7,12H2,1-2H3,(H,26,27,28)