InChI=1/C20H28N4O4/c1-14-9-10-15(12-18(14)24(27)28)21-19(25)20(26)22-16-6-5-11-23(13-16)17-7-3-2-4-8-17/h9-10,12,16-17H,2-8,11,13H2,1H3,(H,21,25)(H,22,26)/p+1/t16-/m0/s1/fC20H29N4O4/h21-23H/q+1 00208A85E9A4FAF8