InChI=1S/C25H26O14/c1-36-24(35)17(10-12-3-5-13(26)15(28)8-12)37-18(29)7-4-11-2-6-14(27)16(9-11)38-25-21(32)19(30)20(31)22(39-25)23(33)34/h2-9,17,19-22,25-28,30-32H,10H2,1H3,(H,33,34)/b7-4+