InChI=1S/C25H30O10/c1-5-25(3,4)15-9-14-8-13(7-6-12(2)11-26)16(10-17(14)33-23(15)32)34-24-20(29)18(27)19(28)21(35-24)22(30)31/h5-6,8-10,18-21,24,26-29H,1,7,11H2,2-4H3,(H,30,31)/b12-6+