InChI=1S/C26H28O13/c1-9(2)3-4-11-18(29)12(7-15(28)19(11)30)13-8-37-16-6-10(5-14(27)17(16)20(13)31)38-26-23(34)21(32)22(33)24(39-26)25(35)36/h3,5-7,13,21-24,26-30,32-34H,4,8H2,1-2H3,(H,35,36)