InChI=1S/C26H28O13/c1-10(8-27)2-3-13-15(29)5-4-12(14-9-37-17-7-11(28)6-16(30)18(17)19(14)31)23(13)38-26-22(34)20(32)21(33)24(39-26)25(35)36/h2,4-7,14,20-22,24,26-30,32-34H,3,8-9H2,1H3,(H,35,36)/b10-2+