InChI=1/C25H24N2O4/c1-4-11-27-25(28)19-7-5-6-16-13-17(8-9-18(16)19)31-22-10-12-26-21-15-24(30-3)23(29-2)14-20(21)22/h5-10,12-15H,4,11H2,1-3H3,(H,27,28)/p+1/fC25H25N2O4/h26-27H/q+1 1DB6CB5BA4404F8B