InChI=1/C14H16N4O2/c19-18(20)12-3-4-13-11(10-12)2-5-14(16-13)17-8-1-6-15-7-9-17/h2-5,10,15H,1,6-9H2/p+1/fC14H17N4O2/h15H/q+1 A616B07D1C682CC2