InChI=1S/C27H26O12/c1-27(2)23-21(36-23)16-14(39-27)7-4-10-8-13(25(33)37-20(10)16)12-6-5-11(34-3)9-15(12)35-26-19(30)17(28)18(29)22(38-26)24(31)32/h4-9,17-19,21-23,26,28-30H,1-3H3,(H,31,32)