InChI=1/C14H14N6O3/c1-2-20(17-6-8-3-4-9(21)10(22)5-8)14-18-11-12(19-14)15-7-16-13(11)23/h3-7,21-22H,2H2,1H3,(H2,15,16,18,19,23)/b17-6+/f/h16,19H 974DD5454D65537B