InChI=1S/C25H34O10/c1-3-5-6-7-8-9-10-14-18(15-12-11-13-17(4-2)33-19(27)16-26)34-25-22(30)20(28)21(29)23(35-25)24(31)32/h4,10,14,17-18,20-23,25-26,28-30H,2-3,5-9,16H2,1H3,(H,31,32)/b14-10+