InChI=1/C14H15N5O2/c1-9-15-4-6-19(9)7-5-16-13(20)10-2-3-11-12(8-10)18-14(21)17-11/h2-4,6,8H,5,7H2,1H3,(H,16,20)(H2,17,18,21)/p+1/fC14H16N5O2/h15-18H/q+1 68E25C83CBA89179