InChI=1/C15H15N5O3/c1-9(10-4-2-5-11(8-10)20(22)23)16-19-15(21)14-12-6-3-7-13(12)17-18-14/h2,4-5,8H,3,6-7H2,1H3,(H,17,18)(H,19,21)/b16-9+/f/h18-19H 6BDC7944D820822B