InChI=1S/C15H14O10S/c16-7-3-9(17)8-5-12(20)14(24-13(8)4-7)6-1-10(18)15(11(19)2-6)25-26(21,22)23/h1-4,12,14,16-20H,5H2,(H,21,22,23)