InChI=1/C18H15N5O/c1-24-15-7-3-2-6-14(15)21-18-20-12-13-9-11-23(17(13)22-18)16-8-4-5-10-19-16/h2-12H,1H3,(H,20,21,22)/f/h21H 4D17049E5734894B