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