InChI=1S/C27H28O14/c1-27(2)7-6-9-19(39-26-17(31)15(29)16(30)24(40-26)25(33)34)13-14(28)12-10(35-3)8-11(36-4)21(37-5)23(12)38-22(13)18(32)20(9)41-27/h6-8,15-17,24,26,29-32H,1-5H3,(H,33,34)