InChI=1/C15H14N4O2/c1-21-9-3-5-13(20)10(7-9)15-18-11-4-2-8(14(16)17)6-12(11)19-15/h2-7,20H,1H3,(H3,16,17)(H,18,19)/p+1/fC15H15N4O2/h19H,16-17H2/q+1 E6F262B548A8B832