Propanal,2-[(2,4-dinitrophenyl)hydrazono]-, (2,4-dinitrophenyl)hydrazone (9CI);Pyruvaldehyde, bis[(2,4-dinitrophenyl)hydrazone] (6CI,7CI,8CI);1,2-Propanedione bis(2,4-dinitrophenylhydrazone); Methylglyoxalbis[(2,4-dinitrophenyl)hydrazone]
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