InChI=1S/C34H38O18/c1-28-9-16-30(3)34-21(28)23(40)33(51-34,45-10-13(28)25(43)46-16)12-8-15(35)31-7-5-14(50-52-31)22(39)29(31,2)11(12)4-6-32(34,27(44)49-30)48-26-19(38)17(36)18(37)20(47-26)24(41)42/h5,7,11-21,26,35-38H,4,6,8-10H2,1-3H3,(H,41,42)