InChI=1S/C25H30O10/c1-14(2)4-3-5-15(13-33-25-22(29)20(27)21(28)23(35-25)24(30)31)10-11-32-17-8-6-16-7-9-19(26)34-18(16)12-17/h4,6-10,12,20-23,25,27-29H,3,5,11,13H2,1-2H3,(H,30,31)/b15-10-