InChI=1/C17H12N2O5/c1-24-13-5-3-2-4-11(13)16(22)18-9-6-7-10-12(8-9)14(20)17(23)19-15(10)21/h2-8H,1H3,(H,18,22)(H,19,21,23)/f/h18-19H E34276A19EEF35CF