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Acta Cryst. (2013). E69, o546
[ doi:10.1107/S1600536813006855 ]

1-(2-Carboxyethyl)-3-(carboxylatomethyl)-2-ethylbenzimidazol-1-ium monohydrate

H. Yao, Y.-Q. Xie, X.-Q. Yao, Y.-X. Yang and Y.-M. Zhang

Abstract: In the title compound, C14H16N2O4·H2O, three substituent groups are located on the same side of the benzimidazole ring plane. In the crystal, O-H...O hydrogen bonds and [pi]-[pi] stacking between parallel imidazole rings [centroid-centroid distance = 3.858 (4) Å] link the molecules into a three-dimensional supramolecular structure.

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