InChI=1S/C21H26O10S/c1-4-6-11-9-15(24)30-20-16(11)18(25)12-10-14(23)21(2,3)31-19(12)17(20)13(22)7-5-8-29-32(26,27)28/h9,14,23,25H,4-8,10H2,1-3H3,(H,26,27,28)