InChI=1S/C25H30O13/c1-25(34)16(27)8-13-14(22(32)33)9-36-23(18(13)25)38-24-21(31)20(30)19(29)15(37-24)10-35-17(28)7-4-11-2-5-12(26)6-3-11/h2-7,9,13,15-16,18-21,23-24,26-27,29-31,34H,8,10H2,1H3,(H,32,33)/b7-4+