InChI=1S/C21H24O13S/c22-9-16-18(26)19(27)20(28)21(33-16)32-15-8-11(23)7-14(25)17(15)13(24)6-3-10-1-4-12(5-2-10)34-35(29,30)31/h1-2,4-5,7-8,16,18-23,25-28H,3,6,9H2,(H,29,30,31)