InChI=1/C14H14N4O2/c1-3-18-12-9(5-4-8-15-12)14(20)17(2)10-6-7-11(19)16-13(10)18/h4-8H,3H2,1-2H3,(H,16,19)/f/h16H 4EB0CF5ACBC050D1