InChI=1S/C33H38O21/c1-8-19(39)21(41)25(45)32(49-8)53-29-23(43)20(40)16(7-34)51-28(29)18-13(38)6-15(52-33-26(46)22(42)24(44)30(54-33)31(47)48)17-12(37)5-14(50-27(17)18)9-2-3-10(35)11(36)4-9/h2-6,8,16,19-26,28-30,32-36,38-46H,7H2,1H3,(H,47,48)