InChI=1S/C40H42O13/c1-47-32-16-12-28(23-31(32)43)40(46)37(24-52-39(45)18-11-27-8-14-30(42)35(21-27)49-3)53-33-15-9-25(22-36(33)50-4)6-5-19-51-38(44)17-10-26-7-13-29(41)34(20-26)48-2/h7-18,20-23,37,40-43,46H,5-6,19,24H2,1-4H3