InChI=1/C26H32N4O4/c1-3-28-8-10-29(11-9-28)20-4-6-22(18(2)14-20)27-26(32)19-15-25(31)30(17-19)21-5-7-23-24(16-21)34-13-12-33-23/h4-7,14,16,19H,3,8-13,15,17H2,1-2H3,(H,27,32)/p+1/t19-/m1/s1/fC26H33N4O4/h27-28H/q+1 40D72768F5D33605