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