InChI=1/C18H15N3O2/c22-17-4-2-1-3-12(17)16-9-11(5-7-19-16)15-10-13-14(21-15)6-8-20-18(13)23/h1-5,7,9-10,21-22H,6,8H2,(H,20,23)/f/h20H 53ADBDB8902AD37A