InChI=1S/C33H38O21/c34-7-15-19(38)21(40)24(43)29(51-15)18-14(52-33-26(45)22(41)20(39)16(8-35)53-33)6-12(37)17-11(36)5-13(50-28(17)18)9-1-3-10(4-2-9)49-32-27(46)23(42)25(44)30(54-32)31(47)48/h1-6,15-16,19-27,29-30,32-35,37-46H,7-8H2,(H,47,48)