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