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