InChI=1/C16H10F2N2O5/c17-16(18)24-12-4-2-9(6-13(12)25-16)19-15(22)8-1-3-11-10(5-8)20-14(21)7-23-11/h1-6H,7H2,(H,19,22)(H,20,21)/f/h19-20H 1AF9CD14F5D4CF0D