InChI=1/C13H15N7O/c1-3-19-8(2)9(7-16-19)11-4-5-15-12-6-10(13(21)17-14)18-20(11)12/h4-7H,3,14H2,1-2H3,(H,17,21)/f/h17H 3367B2201B50B968