InChI=1S/C33H40O21/c1-9-3-12(35)18-13(50-33-27(44)23(40)24(41)29(54-33)30(45)46)5-10-4-11(47-2)6-14(17(10)28(18)49-9)51-32-26(43)22(39)20(37)16(53-32)8-48-31-25(42)21(38)19(36)15(7-34)52-31/h3-6,15-16,19-27,29,31-34,36-44H,7-8H2,1-2H3,(H,45,46)