InChI=1S/C36H44O13/c1-17(2)8-11-22-25(48-36-32(44)30(42)31(43)34(49-36)35(45)46)15-26-27(28(22)40)29(41)23(12-9-18(3)6-5-7-19(4)16-37)33(47-26)21-13-10-20(38)14-24(21)39/h7-10,13-15,23,30-34,36-40,42-44H,5-6,11-12,16H2,1-4H3,(H,45,46)/b18-9?,19-7+