InChI=1S/C25H34O10/c1-3-5-6-7-8-9-10-13-17(26)14-11-12-15-18(4-2)34-19(27)16-33-25-22(30)20(28)21(29)23(35-25)24(31)32/h4,10,13,17-18,20-23,25-26,28-30H,2-3,5-9,16H2,1H3,(H,31,32)/b13-10+