Title: Hydrogen-bonded chains of rings in 3-iodobenzaldehyde 2,4-dinitrophenylhydrazone and 4-iodobenzaldehyde 2,4-dinitrophenylhydrazone, and a three-dimensional framework in 4-iodobenzaldehyde 4-nitrophenylhydrazone generated by the combination of N-H...O and C-H...O hydrogen bonds with iodo-nitro interactions.
Journal: Acta crystallographica. Section C, Crystal structure communications 20040101