InChI=1S/C33H28O20S/c34-15-4-1-12(2-5-15)32(45)50-11-22-27(42)29(44)31(52-33(46)14-7-19(38)26(41)20(39)8-14)30(51-22)24-18(37)10-17(36)23(28(24)43)25(40)13-3-6-16(35)21(9-13)53-54(47,48)49/h1-10,22,27,29-31,34-39,41-44H,11H2,(H,47,48,49)