InChI=1S/C25H28O11/c1-10(2)3-5-13-15(27)8-12(22-21(35-22)11-4-6-14(26)16(28)7-11)9-17(13)34-25-20(31)18(29)19(30)23(36-25)24(32)33/h3-10,18-23,25-31H,1-2H3,(H,32,33)/b5-3+