InChI=1/C18H13N3O2/c1-23-13-9-5-4-8-12(13)16-14-15(20-18(19)21-16)10-6-2-3-7-11(10)17(14)22/h2-9H,1H3,(H2,19,20,21)/f/h19H2 3F2FA86D1B1D49D5