2 4 dinitrophenylhydrazine structure July 8, 2019 16 32 64 128 2 4 dinitrophenylhydrazine chemical structure Structure of 2 4 dinitrophenylhydrazone of benzaldehyde 2 4 dinitrofenylohydrazyna 2 4-dinitrophenylhydrazin 2 4-dinitrofenylhydrazin 2 4-dinitrophenylhydrazone structure