InChI=1/C18H16N4O3/c1-11-16-13(23)4-2-5-14(16)25-17(11)18(24)21-12-6-7-15(19-10-12)22-9-3-8-20-22/h3,6-10H,2,4-5H2,1H3,(H,21,24)/f/h21H 966CA61F2718A5E4