InChI=1/C18H14F4N2O4/c19-11-5-1-10(2-6-11)15(26)13-14(9-3-7-12(25)8-4-9)23-16(27)24-17(13,28)18(20,21)22/h1-8,13-14,25,28H,(H2,23,24,27)/t13-,14+,17+/m0/s1/f/h23-24H 98ADAA4E2EAE1F2A