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