InChI=1S/C33H34O18/c34-16-7-14(8-17(35)11-16)2-1-13-3-5-18(6-4-13)48-32-26(42)23(39)22(38)21(49-32)12-47-31(46)15-9-19(36)28(20(37)10-15)50-33-27(43)24(40)25(41)29(51-33)30(44)45/h1-11,21-27,29,32-43H,12H2,(H,44,45)/b2-1+