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