InChI=1S/C25H34O10/c1-12(2)7-6-8-13(3)9-10-15-18(14(4)26)17(33-5)11-16(27)22(15)34-25-21(30)19(28)20(29)23(35-25)24(31)32/h7,9,11,19-21,23,25,27-30H,6,8,10H2,1-5H3,(H,31,32)/b13-9+