Acta Cryst. (2003). E59, o1-o3  [ doi:10.1107/S1600536802021803 ]

Strong symmetrical intramolecular hydrogen bonds in diprotonated piperazinium bis(hydrogenmaleate)

Z. M. Jin, M. L. Hu, K. W. Wang, L. Shen and M. C. Li

Online 7 December 2002

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