InChI=1/C13H18N4O/c1-11-5-8-15(9-6-11)10-17-13(18)16-7-3-2-4-12(16)14-17/h2-4,7,11H,5-6,8-10H2,1H3/p+1/fC13H19N4O/h15H/q+1 CBC32579F4518FCC