InChI=1/C18H22N4O4/c1-11-12(16(19)23)6-4-7-13(11)21-18(25)17(24)20-10-14(22(2)3)15-8-5-9-26-15/h4-9,14H,10H2,1-3H3,(H2,19,23)(H,20,24)(H,21,25)/p+1/t14-/m1/s1/fC18H23N4O4/h20-22H,19H2/q+1 5BCA35B128DAB271