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