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