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