InChI=1/C18H16N4O2/c1-11-2-5-16-21-14(7-17(23)22(16)10-11)9-19-13-4-3-12-8-20-18(24)15(12)6-13/h2-7,10,19H,8-9H2,1H3,(H,20,24)/p+1/fC18H17N4O2/h20-21H/q+1 08A537EA7371AF9E