InChI=1S/C33H28O21S/c34-13-3-1-11(2-4-13)32(46)51-10-22-26(43)28(45)31(53-33(47)12-5-20(40)29(21(41)6-12)54-55(48,49)50)30(52-22)24-19(39)9-18(38)23(27(24)44)25(42)14-7-16(36)17(37)8-15(14)35/h1-9,22,26,28,30-31,34-41,43-45H,10H2,(H,48,49,50)