InChI=1/C13H14N4O2/c1-9-14-12(19-16-9)10-7-17(8-10)13(18)15-11-5-3-2-4-6-11/h2-6,10H,7-8H2,1H3,(H,15,18)/f/h15H 4EC2D934494D08AA