InChI=1/C26H24N2O7/c1-31-19-7-13(8-20(32-2)25(19)29)22-14-9-17-18(35-12-34-17)10-15(14)24(16-11-33-26(30)23(16)22)28-21-5-3-4-6-27-21/h3-10,16,22-24,29H,11-12H2,1-2H3,(H,27,28)/t16-,22+,23-,24+/m0/s1/f/h28H 6A25750E61EF9CF6