InChI=1/C25H26N4O4/c1-16(21(25(31)33-2)15-17-6-5-7-20(14-17)23(26)27)28-24(30)19-11-9-18(10-12-19)22-8-3-4-13-29(22)32/h3-14,16,21H,15H2,1-2H3,(H3,26,27)(H,28,30)/p+1/t16-,21-/m1/s1/fC25H27N4O4/h28H,26-27H2/q+1 F287E1275CA2D135