InChI=1S/C34H38O17/c1-28-10-16-30(3)34-22(28)23(40)33(51-34,46-11-13(28)25(43)47-16)17-12(29(2)15(36)5-4-7-31(29,45)9-14(17)35)6-8-32(34,27(44)50-30)49-26-20(39)18(37)19(38)21(48-26)24(41)42/h4-5,12-13,16-22,26,37-39,45H,6-11H2,1-3H3,(H,41,42)