InChI=1S/C32H32O21/c33-10-2-1-8(5-15(10)52-32-27(46)24(43)26(45)29(53-32)30(47)48)19(38)17-11(34)6-12(35)18(22(17)41)28-25(44)23(42)21(40)16(51-28)7-50-31(49)9-3-13(36)20(39)14(37)4-9/h1-6,16,21,23-29,32-37,39-46H,7H2,(H,47,48)