InChI=1S/C25H28O13/c1-4-10(2)23(33)38-25(3,9-26)21-19(36-24-17(30)15(28)16(29)20(37-24)22(31)32)14-12(34-21)7-5-11-6-8-13(27)35-18(11)14/h4-8,15-17,19-21,24,26,28-30H,9H2,1-3H3,(H,31,32)