InChI=1/C18H13N3O2/c1-10(22)19-13-9-5-8-12-14(13)18(23)15-16(20-21-17(12)15)11-6-3-2-4-7-11/h2-9H,1H3,(H,19,22)(H,20,21)/f/h19,21H D6C7538DF82B1534