InChI=1/C20H26N4O4/c1-12(2)22-18(25)7-6-17-19(26)24(20(27)23-17)9-8-13-11-21-16-5-4-14(28-3)10-15(13)16/h4-5,10,12,17H,6-9,11H2,1-3H3,(H,22,25)(H,23,27)/p+1/t17-/m0/s1/fC20H27N4O4/h21-23H/q+1 E380347780BB528F