InChI=1S/C26H28O14/c1-36-15-7-4-13(10-17(15)39-26-22(31)20(29)21(30)23(40-26)25(34)35)11-18(24(32)33)38-19(28)8-5-12-3-6-14(27)16(9-12)37-2/h3-10,18,20-23,26-27,29-31H,11H2,1-2H3,(H,32,33)(H,34,35)/b8-5+/t18-,20-,21-,22+,23-,26+/m0/s1