InChI=1S/C16H14O11S2/c1-8-2-3-9(4-13(8)27-29(22,23)24)14-7-12(18)16-11(17)5-10(6-15(16)25-14)26-28(19,20)21/h2-6,14,17H,7H2,1H3,(H,19,20,21)(H,22,23,24)