InChI=1/C19H27N5O4/c1-4-24-16-15(18(26)22-19(24)27)13(11-14(21-16)12-5-6-12)17(25)20-7-8-23(2)9-10-28-3/h11-12H,4-10H2,1-3H3,(H,20,25)(H,22,26,27)/p+1/fC19H28N5O4/h20,22-23H/q+1 8353B87C41AB30E1