InChI=1/C18H22N4O5/c1-25-13-6-4-5-11(17(13)27-3)16-15-12(20-10-21-15)7-8-22(16)18(24)19-9-14(23)26-2/h4-6,10,16H,7-9H2,1-3H3,(H,19,24)(H,20,21)/p+1/t16-/m0/s1/fC18H23N4O5/h19-21H/q+1 5C963098F21E8B43