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