InChI=1/C20H24N4O4/c1-3-9-21-18(25)7-6-17-19(26)24(20(27)23-17)10-8-13-12-22-16-5-4-14(28-2)11-15(13)16/h3-5,11,17H,1,6-10,12H2,2H3,(H,21,25)(H,23,27)/p+1/t17-/m0/s1/fC20H25N4O4/h21-22,27H/q+1 D26ECD80E1A9361E