Diphenyl-acetaldehyd-(2,4-dinitro-phenylhydrazon);2, 4 - Dinitrophenylhydrazon des Diphenylacetoaldehyd;2,4-dinitro-phenylhydrazon des Diphenyl-acetaldehyd;Diphenylacetaldehyd-2,4-dinitrophenyl-hydrazon;Diphenylacetaldehyd-2,4-dinitrophenylhydrazon;N-(2,2-diphenylethylideneamino)-2,4-dinitroaniline