InChI=1S/C33H40O21/c34-7-15-19(38)23(42)26(45)31(51-15)48-9-17-21(40)30(54-32-27(46)24(43)20(39)16(8-35)52-32)28(47)33(53-17)49-12-5-13(37)18-14(6-12)50-29(25(44)22(18)41)10-1-3-11(36)4-2-10/h1-6,15-17,19-21,23-24,26-28,30-40,42-47H,7-9H2/t15?,16?,17?,19-,20-,21-,23+,24+,26?,27?,28?,30+,31-,32+,33-/m1/s1