InChI=1S/C36H28O19S/c37-14-6-21(40)19-11-29(55-56(49,50)51)34(52-26(19)7-14)12-1-16-17(9-25(44)33(47)30(16)32(46)24(43)2-12)35-28(10-18-20(39)5-15(38)8-27(18)53-35)54-36(48)13-3-22(41)31(45)23(42)4-13/h1-9,28-29,34-35,37-42,44-45,47H,10-11H2,(H,43,46)(H,49,50,51)