InChI=1/C18H19N5O4/c1-10-6-8-18(9-7-10)16(26)23(17(27)19-18)22-15(25)13-11-4-2-3-5-12(11)14(24)21-20-13/h2-5,10H,6-9H2,1H3,(H,19,27)(H,21,24)(H,22,25)/p-1/fC18H18N5O4/h19,22H/q-1 ABEB871DA437E9B8