5-(4-nitro-phenyl)-4-oxo-3-p-tolyl-4,5-dihydro-[1,2,3]thiadiazolium betaine
phenylhydrazono-acetic acid-(N-p-tolyl-hydrazide)
N'-acetyl-N-(phenylhydrazono-acetyl)-N-p-tolyl-hydrazine
disulfanediyldi-acetic acid bis-(N-p-tolyl-hydrazide)
phenylhydrazono-acetic acid-[(3-nitro-benzylidene)-p-tolyl-hydrazide]