InChI=1/C14H18N6O/c1-2-3-8-21-13-7-4-10(9-17-13)19-20-11-5-6-12(15)18-14(11)16/h4-7,9H,2-3,8H2,1H3,(H4,15,16,18)/f/h15-16H2 0ED2EA1CD0BE1941