Acta Cryst. (2004). C60, o103-o106  [ doi:10.1107/S0108270103027197 ]

2,4-Dinitrophenylhydrazones of 2,4-dihydroxybenzaldehyde, 2,4-dihydroxyacetophenone and 2,4-dihydroxybenzophenone

R. G. Baughman, K. L. Martin, R. K. Singh and J. O. Stoffer

Formula: C₁₃H₁₀N₄O₆·C₃H₇NO, C₁₄H₁₂N₄O₆·C₃H₇NO and C₁₉H₁₄N₄O₆·C₄H₉NO

Online 10 January 2004

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