InChI=1S/C25H28O9/c26-17(12-8-14-4-2-1-3-5-14)22-18(33-22)13-9-15-6-10-16(11-7-15)32-25-21(29)19(27)20(28)23(34-25)24(30)31/h1-7,10-11,18-23,25,27-29H,8-9,12-13H2,(H,30,31)