InChI=1/C13H16N4O/c1-11-15-8-10-17(11)9-2-5-16-13(18)12-3-6-14-7-4-12/h3-4,6-8,10H,2,5,9H2,1H3,(H,16,18)/f/h16H BBE70A5546A9996F