InChI=1S/C26H28N2O12/c1-37-14-7-10(6-12(29)22(14)39-26-20(32)18(30)19(31)23(40-26)25(35)36)21-17(24(33)34)16-13(38-21)3-2-11-15(16)9(4-5-27)8-28-11/h2-3,6-8,17-21,23,26,28-32H,4-5,27H2,1H3,(H,33,34)(H,35,36)