InChI=1/C17H13N3O4/c21-14-9-11-5-2-1-4-10(11)8-13(14)17(24)20-19-16(23)12-6-3-7-18-15(12)22/h1-9,21H,(H,18,22)(H,19,23)(H,20,24)/f/h18-20H EF189DC5538099D7