Borwick, S., Howard, J., Lehmann, C., & OHagan, D. (1997). 1-(4-bromophenyl)-2-fluoroethanone (2,4-dinitrophenyl)hydrazone containing a particularly short fluorine-hydrogen bond. Acta Crystallographica, Section C: Crystal Structure Communications, 53, 124-126. doi:10.1107/S0108270196013133.