InChI=1S/C40H40O17/c41-16-27-30(45)31(46)34(49)39(56-27)54-25-13-20(12-22(43)14-25)29-28-19(11-23(44)15-26(28)55-36(29)18-5-7-21(42)8-6-18)4-1-17-2-9-24(10-3-17)53-40-35(50)32(47)33(48)37(57-40)38(51)52/h1-15,27,29-37,39-50H,16H2,(H,51,52)/b4-1-