InChI=1/C16H13N3O5/c20-16(15-10-23-13-3-1-2-4-14(13)24-15)18-17-9-11-5-7-12(8-6-11)19(21)22/h1-9,15H,10H2,(H,18,20)/b17-9+/t15-/m1/s1/f/h18H 625A077FF3BB67FC