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