InChI=1/C18H16N4O2/c1-11(23)22-9-4-7-18(22)13-6-3-2-5-12(13)14-15(18)21-10-8-19-16(21)17(24)20-14/h2-3,5-6,8,10H,4,7,9H2,1H3,(H,20,24)/t18-/m0/s1/f/h20H 695C5E78840CA22C