InChI=1S/C21H14O17S/c22-9-1-7(21(32)37-18-14(26)8(19(29)30)5-10(23)16(18)28)4-13(15(9)27)36-20(31)6-2-11(24)17(12(25)3-6)38-39(33,34)35/h1-5,22-28H,(H,29,30)(H,33,34,35)