InChI=1/C16H13N3O5/c20-14-12(8-18-16(23)19-14)17-7-11-5-6-13(24-11)9-1-3-10(4-2-9)15(21)22/h1-7,12H,8H2,(H,21,22)(H2,18,19,20,23)/p-1/t12-/m0/s1/fC16H12N3O5/h18-19H/q-1 C6577CE1F8B505FC