InChI=1/C17H13N3O4/c21-15-8-10-7-11(5-6-12(10)19-15)18-16(22)9-20-13-3-1-2-4-14(13)24-17(20)23/h1-7H,8-9H2,(H,18,22)(H,19,21)/f/h18-19H 116130D52CB53A70