InChI=1S/C33H40O20/c34-7-12-17(37)20(40)23(43)29(50-12)15-19(39)16(30-24(44)21(41)18(38)13(8-35)51-30)28(52-33-26(46)22(42)25(45)31(53-33)32(47)48)14-10(36)6-11(49-27(14)15)9-4-2-1-3-5-9/h1-5,11-13,17-18,20-26,29-31,33-35,37-46H,6-8H2,(H,47,48)