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