InChI=1/C15H11N3O2/c16-14(19)9-5-7-10(8-6-9)17-13-11-3-1-2-4-12(11)18-15(13)20/h1-8H,(H2,16,19)(H,17,18,20)/f/h18H,16H2 F6E2269392DD46B5