InChI=1S/C21H22O13S/c22-7-14-17(27)21(34-35(29,30)31)18(28)20(33-14)16-11(25)5-10(24)15-12(26)6-13(32-19(15)16)8-1-3-9(23)4-2-8/h1-5,13-14,17-18,20-25,27-28H,6-7H2,(H,29,30,31)