InChI=1/C17H9F3N2O5/c18-17(19,20)7-21-16(25)11-6-5-10-12(13(11)22(26)27)15(24)9-4-2-1-3-8(9)14(10)23/h1-6H,7H2,(H,21,25)/f/h21H 382B24B9A3979795