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