InChI=1/C18H15N5/c1-2-6-14(7-3-1)12-20-17-15-8-4-5-9-16(15)21-18(22-17)23-11-10-19-13-23/h1-11,13H,12H2,(H,20,21,22)/f/h20H B94F1F201E3804C0