InChI=1S/C27H28O13/c1-27(2)9-8-11-18(34-3)13-14(28)10-6-7-12(37-26-17(31)15(29)16(30)23(39-26)25(32)33)21(35-4)19(10)38-22(13)24(36-5)20(11)40-27/h6-9,15-17,23,26,29-31H,1-5H3,(H,32,33)