InChI=1S/C19H26O14S/c1-9(21)10-2-4-11(5-3-10)31-17-15(14(23)13(22)12(6-20)32-17)33-18-16(24)19(25,7-29-18)8-30-34(26,27)28/h2-5,12-18,20,22-25H,6-8H2,1H3,(H,26,27,28)