InChI=1S/C18H24O14S/c19-5-8-3-1-2-4-10(8)30-17-15(24)14(23)13(22)11(31-17)7-29-18-16(32-33(25,26)27)12(21)9(20)6-28-18/h1-5,9,11-18,20-24H,6-7H2,(H,25,26,27)