InChI=1S/C28H20O17S/c29-11-5-15(30)14-8-21(44-28(39)10-3-18(33)26(19(34)4-10)45-46(40,41)42)25(43-20(14)6-11)13-7-17(32)24(36)22-12(13)1-9(27(37)38)2-16(31)23(22)35/h1-7,21,25,29-30,32-34,36H,8H2,(H,31,35)(H,37,38)(H,40,41,42)