InChI=1S/C32H36O20/c33-7-16-20(38)23(41)28(51-31-25(43)19(37)13(36)8-47-31)27(50-16)18-12(35)6-15-17(21(18)39)11(34)5-14(49-15)9-1-3-10(4-2-9)48-32-26(44)22(40)24(42)29(52-32)30(45)46/h1-6,13,16,19-20,22-29,31-33,35-44H,7-8H2,(H,45,46)