InChI=1/C19H28N4O4/c1-13-15(7-11-27-13)18(25)21-14-5-9-23(10-6-14)12-17(24)22-16-4-2-3-8-20-19(16)26/h7,11,14,16H,2-6,8-10,12H2,1H3,(H,20,26)(H,21,25)(H,22,24)/p+1/t16-/m1/s1/fC19H29N4O4/h20-23H/q+1 FB9EF7C4BE4E2E55