InChI=1/C13H15N5O2/c1-3-10-12(20)14-13(17-15-10)18-16-11(19)9-6-4-8(2)5-7-9/h4-7H,3H2,1-2H3,(H,16,19)(H2,14,17,18,20)/p-1/fC13H14N5O2/h16,18H/q-1 0752D9C97F5F2C54