InChI=1S/C15H12O10S/c16-7-3-8(17)14-9(18)5-12(24-13(14)4-7)6-1-10(19)15(11(20)2-6)25-26(21,22)23/h1-4,12,16-17,19-20H,5H2,(H,21,22,23)