InChI=1S/C25H28O14/c1-34-10-5-14-17(18(28)11-4-9(26)2-3-13(11)37-14)15(6-10)38-25-23(33)21(31)20(30)16(39-25)8-36-24-22(32)19(29)12(27)7-35-24/h2-6,12,16,19-27,29-33H,7-8H2,1H3