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