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