InChI=1/C25H32N4O4/c1-28-12-10-20(11-13-28)29(2)16-21(18-6-4-3-5-7-18)27-24(30)15-26-25(31)19-8-9-22-23(14-19)33-17-32-22/h3-9,14,20-21H,10-13,15-17H2,1-2H3,(H,26,31)(H,27,30)/p+1/t21-/m1/s1/fC25H33N4O4/h26-28H/q+1 44B6E682894E2319