InChI=1/C18H15N3O2/c1-11-3-5-14-15(7-11)21-18(20-14)13(10-19)8-12-4-6-17(23-2)16(22)9-12/h3-9,22H,1-2H3,(H,20,21)/b13-8-/f/h20H B74701B05DFE6C8F