InChI=1S/C32H38O21/c1-8-2-11(35)17-12(48-8)4-9-3-10(34)5-13(16(9)27(17)52-32-26(44)22(40)23(41)28(53-32)29(45)46)49-31-25(43)21(39)19(37)15(51-31)7-47-30-24(42)20(38)18(36)14(6-33)50-30/h2-5,14-15,18-26,28,30-34,36-44H,6-7H2,1H3,(H,45,46)