sixty-two aromatic hydrazones , the majority of which had iron binding structures similar to pyridoxal isonicotinoyl hydrazone , were synthesized by condensation of aromatic aldehydes ( pyridoxal , salicylaldehyde , 2-hydroxy-1-naphthylaldehyde and 2-furaldehyde ) with various acid hydrazides prepared by systematic substitutions on the benzene ring .
C0001992
aldehydes
C0016849
furaldehyde