InChI=1/C18H13N3O3/c1-24-11-7-5-10(6-8-11)16-15-17(21-20-16)12-3-2-4-13(19-9-22)14(12)18(15)23/h2-9H,1H3,(H,19,22)(H,20,21)/f/h19,21H 8D3349C9065D2F0B