InChI=1S/C33H38O20/c34-7-12-17(37)20(40)23(43)29(50-12)14-10(36)6-11-15(28(14)52-33-26(46)22(42)25(45)31(53-33)32(47)48)19(39)16(27(49-11)9-4-2-1-3-5-9)30-24(44)21(41)18(38)13(8-35)51-30/h1-6,12-13,17-18,20-26,29-31,33-38,40-46H,7-8H2,(H,47,48)