InChI=1S/C26H26N2O11/c1-36-13-6-10(7-14(18(13)29)38-26-21(32)19(30)20(31)23(39-26)25(34)35)22-17-16-12(37-22)3-2-11-15(16)9(8-28-11)4-5-27-24(17)33/h2-3,6-8,17,19-23,26,28-32H,4-5H2,1H3,(H,27,33)(H,34,35)