InChI=1/C13H14N4O2/c1-9-2-3-11(17(18)19)6-12(9)13-15-7-10(4-5-14)8-16-13/h2-3,6-8H,4-5,14H2,1H3/p+1/fC13H15N4O2/h14H/q+1 7718DDBFAA38674C