InChI=1S/C36H32O16/c37-15-8-6-14(7-9-15)36-33(45)24(23-21(52-36)11-17(38)16-10-18(39)29(48-30(16)23)13-4-2-1-3-5-13)22-20(51-36)12-19(40)31(25(22)41)49-35-28(44)26(42)27(43)32(50-35)34(46)47/h1-9,11-12,18,24,26-29,32-33,35,37-45H,10H2,(H,46,47)