InChI=1/C14H15N5O2/c1-19(11-6-7-17-12(8-11)14(16)20)10-4-2-9(3-5-10)13(15)18-21/h2-8,21H,1H3,(H2,15,18)(H2,16,20)/f/h15-16H2/b18-13+ EAEBF344E107EC22