InChI=1S/C34H38O21/c1-12(36)48-9-20-22(39)24(41)28(55-33-29(44)34(47,10-35)11-49-33)32(53-20)51-15-6-16(37)21-17(38)8-18(52-19(21)7-15)13-2-4-14(5-3-13)50-31-26(43)23(40)25(42)27(54-31)30(45)46/h2-8,20,22-29,31-33,35,37,39-44,47H,9-11H2,1H3,(H,45,46)