InChI=1S/C21H24O10S/c1-29-20-10-14(5-7-17(20)24)18(25)12-16(23)11-15(22)6-3-13-4-8-19(21(9-13)30-2)31-32(26,27)28/h4-5,7-10,18,24-25H,3,6,11-12H2,1-2H3,(H,26,27,28)